UAL v. Air Line Pilots Association, I ( 2009 )


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  •                                 In the
    United States Court of Appeals
    For the Seventh Circuit
    No. 08-4157
    U NITED A IR L INES, INC.,
    Plaintiff-Appellee,
    v.
    A IR L INE P ILOTS A SSOCIATION,
    INTERNATIONAL, STEVEN M. T AMKIN ,
    R OBERT J. D OMALESKI, JR., X AVIER F.
    F ERNANDEZ, and A NTHONY R.
    F REEMAN,
    Defendants-Appellants.
    Appeal from the United States District Court
    for the Northern District of Illinois, Eastern Division.
    No. 08 CV 4317—Joan Humphrey Lefkow, Judge.
    A RGUED F EBRUARY 24, 2009—D ECIDED M ARCH 9, 2009 Œ
    P UBLISHED M ARCH 23, 2009
    Before R OVNER, W OOD and SYKES, Circuit Judges.
    R OVNER, Circuit Judge. On July 30, 2008, United Air
    Lines, Inc. (“United”) sued the Air Line Pilots Association,
    Œ
    This opinion was released initially in typescript.
    2                                               No. 08-4157
    International (“ALPA”) and several individual pilots
    under Section 2, First of the Railway Labor Act (“RLA”),
    
    45 U.S.C. § 152
    , First, for declaratory and injunctive
    relief. United alleged that ALPA (which is the certified
    collective bargaining representative for the pilots) and
    the United pilots engaged in a lengthy campaign of
    unlawful activities to pressure United to renegotiate the
    parties’ collective bargaining agreement (“CBA”). After
    conducting a hearing, the district court granted United’s
    motion for a preliminary injunction, enjoining the defen-
    dants from “calling, permitting, instigating, authorizing,
    encouraging, participating in, approving or continuing
    any interference with United’s airline operations, in-
    cluding but not limited to any strike, work stoppage, sick-
    out, slowdown, work to rule campaign, concerted refusal
    to accept voluntary or overtime flying assignments, or
    other concerted refusal to perform normal pilot operations
    in violation of the Railway Labor Act, 
    45 U.S.C. § 151
    et seq.” The court also ordered the defendants to take
    all reasonable actions within their power to prevent and
    to refrain from continuing those same actions. We
    granted the defendants’ motion to expedite the appeal,
    and we now affirm.
    I.
    We will provide a condensed version of the facts that are
    relevant to the issues on appeal. We refer the reader to
    the district court’s extraordinarily thorough and well-
    supported findings of fact for a more complete picture
    of the case. United Air Lines, Inc. v. Air Line Pilots Ass’n,
    No. 08-4157                                                3
    
    2008 WL 4936847
     (N.D. Ill. Nov. 17, 2008) (hereafter
    “UAL”).
    A.
    After the tragic events of September 11, 2001, United
    suffered financial losses that caused the company to file
    for bankruptcy in December 2002. In 2003, United and
    ALPA negotiated a new labor agreement (the “2003 CBA”)
    in which the pilots made significant concessions on
    wages, benefits and other issues. The new agreement
    included a 40% wage reduction for the pilots. Over the
    next two years, as United’s financial condition deteri-
    orated further, the pilots agreed to additional wage
    reductions and termination of a defined benefit pension
    plan. The 2003 CBA (which included changes made in
    2004 and 2005) becomes amendable on December 31,
    2009, but the agreement allows the parties to begin negoti-
    ations for a new contract in early April 2009. The parties
    could agree to modify the contract sooner than the amend-
    able date but neither side may unilaterally initiate negoti-
    ations until April 2009.
    1.
    United and ALPA have a long history of contentious
    labor relations. In 1985, the pilots engaged in a month-
    long strike, during which United hired permanent replace-
    ments for the striking pilots. The pilots and the company
    negotiated a Back-to-Work Agreement at the end of the
    strike, with the pilots agreeing not to retaliate against the
    4                                                 No. 08-4157
    newly hired pilots or any pilots who crossed the picket
    line during the strike. In spite of the Back-to-Work Agree-
    ment, the pilots who worked during the strike were
    subjected to ostracism and harassment by the striking
    pilots for many years following the end of the strike. The
    harassment ranged from the juvenile (clicking a toy
    clicker when non-striking pilots entered a work area) to
    the petulant (refusing to shake hands with the non-
    striking pilots) to the repulsive (urinating or defecating
    in the flight bags of non-striking pilots). The striking pilots
    were both creative and persistent in their mistreatment of
    their non-striking counterparts, and some of the non-
    striking pilots eventually resigned their positions with
    United. The remaining United pilots came to believe that
    anyone who did not follow the majority position or
    ALPA’s directives would be subjected to similar treatment.
    See UAL, 
    2008 WL 4936847
    , *5 (“The continued ostracism
    and harassment of non-striking pilots in the two
    decades following the 1985 strike created a widely-held
    perception among United pilots that any pilot who
    did not follow the majority, or ALPA, party line would be
    subject to similar conduct.”). As we will discuss below,
    similar harassing conduct was directed at pilots who
    failed to follow ALPA directives during a 2000 work
    slowdown and during the current campaign.
    2.
    After United exited bankruptcy in 2006, the company
    began to turn a profit. United recovered even more in
    2007, earning approximately $1 billion in profit in that
    No. 08-4157                                               5
    year. Beginning in December 2006, ALPA sought to
    reopen negotiations on the 2003 CBA even though it
    was not amendable until December 31, 2009. According
    to United, ALPA began to pressure United with a cam-
    paign that consisted of directives to pilots to engage in
    actions designed to cause flight delays and cancellations
    and to increase United’s costs. United alleged that ALPA
    encouraged the pilots (a) to “fly the contract,” that is, to
    adhere strictly to the terms of the 2003 CBA; (b) to refuse
    to voluntarily waive any section of the CBA, including
    provisions that were designated as waivable; (c) to refuse
    voluntary flight assignments known as “junior/senior
    manning”; (d) to increase fuel consumption; (e) to refuse
    to operate planes that had deferrable maintenance items;
    and (f) to take excessive amounts of time in pre-flight
    cockpit checks. United also alleged that, beginning in
    July 2008, ALPA and the four individual defendants
    coordinated a “sick-out” among United’s junior pilots.
    The sick-out, in combination with the refusal to accept
    voluntary junior/senior manning assignments, caused
    several hundred flight cancellations, affecting approxi-
    mately 30,000 United customers.
    United filed suit on July 30, 2008. Two days later, on
    August 1, 2008, United and ALPA entered into a “Stand-
    still Agreement.” Under that agreement, ALPA agreed to
    publish statements to its pilot members directing the pilots
    not to engage in activities that disrupted United’s opera-
    tions. ALPA agreed to tell the pilots not to call in sick
    when they were not actually ill, and also agreed to
    convey to the pilots that ALPA did not condone the sick-
    out. ALPA also agreed in the Standstill Agreement to
    6                                               No. 08-4157
    publish a statement to the pilots regarding their refusal to
    accept junior/senior manning assignments. Those state-
    ments were released in August 2008.
    3.
    ALPA had a very efficient system in place for com-
    municating with the pilots. A Master Executive Council
    (“MEC”), comprised of the top officers from local ALPA
    councils, has the authority for and responsibility of negoti-
    ating on behalf of the pilots. The MEC communicated with
    the pilots with a “MEC Update” posted on ALPA’s
    website two or three times a week. The MEC also posts
    on the website statements and video presentations from
    the MEC chairman and other MEC entities. MEC also
    sends e-mails to pilots who have provided ALPA with
    their e-mail addresses. Approximately ninety percent of
    the pilots have provided their e-mail addresses to ALPA.
    These are not ALPA’s only means of communicating
    with its members. ALPA also maintains a password-
    protected website known as the UAL MEC Forum in
    which ALPA members may post statements to other
    ALPA members. ALPA also utilizes telephone trees
    and text messages to distribute information to ALPA
    members. In other words, ALPA and the MEC have
    many means of communicating with the pilots, including
    some methods that leave no paper or electronic trail of
    the content.
    In addition to the MEC, ALPA operates an Industrial
    Relations Council (“IRC”), whose purpose, according to
    the UAL-MEC Policy Manual, is to formulate and imple-
    No. 08-4157                                              7
    ment labor actions. The IRC consists of three or four
    members. The MEC chairman appoints the chairman of
    the IRC, who in turn appoints the other members of the
    IRC. The IRC also has methods of communicating in-
    structions to pilots and uses the same channels through
    which it parcels out information to collect information.
    The IRC meets only in person or by telephone and by
    design leaves no written trail of its communications. It is
    a secretive organization. Steven Tamkin, one of the in-
    dividual defendants, has been the chair of the IRC since
    2007. Tamkin gained that position with the implicit
    understanding that he would take a more aggressive
    stance in labor relations with United than the previous
    chair had taken. Robert Domaleski and Xavier Fernandez,
    two of the other individual defendants, were also officers
    of the IRC. There was conflicting evidence on whether the
    fourth individual defendant, Anthony Freeman, was a
    member of the IRC.
    Freeman was one of 2172 junior pilots who were fur-
    loughed following September 11, 2001. This group became
    known as “the 2172.” Freeman maintained a password-
    protected website specifically for the 2172 in order to
    facilitate communication among the group’s members
    and protect their common interests as junior pilots. Pilots
    who wish to have access to the website must be personally
    approved by Freeman or one of two other web admin-
    istrators. The group deleted accounts of pilots who
    signed up with United e-mail addresses, presumably to
    prevent United from monitoring the group’s communica-
    tions. The 2172 communicated through postings on the
    group’s website and through mass e-mails. Freeman
    8                                               No. 08-4157
    discouraged members from posting communications that
    were not “meant for paper or electronic communication.”
    In June 2008, Freeman established a telephone tree for the
    group, a form of communication that would leave no
    readily traceable record of the content of the messages.
    The district court noted that the deposition testimony
    of the four individual defendants varied on whether
    Freeman is or ever was a member of the IRC. The testi-
    mony also varied on when the defendants were ap-
    pointed to the IRC and by whom they were appointed.
    These significant discrepancies in the testimony caught
    the attention of the district court because the four individ-
    ual defendants held a meeting on June 11, 2008, shortly
    before a July sick-out staged by the junior pilots began,
    and the subject of that meeting was much disputed. The
    court found that the discrepancies were material and “cast
    doubt on the candor” of the deposition testimony of these
    defendants. Tamkin and Freeman testified that Freeman
    was a member of the IRC; Domaleski and Fernandez
    testified that Freeman was not a member of the IRC. The
    court specifically noted that “[i]f Freeman was not a
    member of the IRC, it would have been difficult for
    defendants to provide an innocent explanation as to why
    he met with the IRC members on June 11, 2008.”
    The court found the discrepancies about the timing of
    the defendants’ appointments to the IRC material be-
    cause the IRC had been disbanded in 2000 and was reacti-
    vated either during the current MEC chairman’s tenure
    or during the tenure of his predecessor. The current MEC
    chairman, Steven Wallach, was elected in October 2007
    and formally took office in January 2008.
    No. 08-4157                                              9
    Former MEC chairman Mark Bathurst stepped down at
    that time. Tamkin claimed to have been appointed by
    Bathurst in April 2007, and testified that he appointed
    Domaleski, Fernandez, and Freeman in April 2007.
    Domaleski testified that he, Tamkin and Fernandez
    were appointed in approximately November 2007 by the
    newly elected MEC Chairman Wallach. Fernandez
    claimed that he, Tamkin, and Domaleski were appointed
    in May 2007. The court found that the inconsistencies in
    these dates could reflect an effort by Tamkin, a friend of
    Wallach, to place responsibility for reactivating the IRC
    on Bathurst rather than on Wallach. United argued vigor-
    ously in the district court that these discrepancies cast
    serious doubt on the credibility of the four individual
    defendants. Yet at the time of the hearing and in briefing,
    ALPA and the individual defendants made no effort
    to explain the discrepancies. The district court con-
    cluded that Freeman was not a member of the IRC and
    that those who attended the June 11, 2008 meeting were
    “less than candid” about what occurred at that gathering.
    4.
    ALPA used the 2000 slowdown as an example to the
    pilots during the current dispute. The pilots engaged in
    a work slowdown during negotiations that year for a new
    contract. When a new agreement was not reached before
    the amendable date of the prior agreement, ALPA used
    the IRC to implement a slowdown campaign. ALPA
    directed the pilots, through the IRC, to decline voluntary
    overtime assignments and to refuse to waive any provi-
    10                                              No. 08-4157
    sions of the contract. In the summer of 2000, United
    experienced a dramatic increase in flight delays and
    cancellations due to decisions by pilots to refuse to fly
    aircraft with minor equipment issues and due to delays
    in completing pre-flight checklists. During that time,
    ALPA publications encouraged pilots to “fly the contract,”
    a code phrase for strict adherence to the contract in
    order to pressure United to make concessions in the new
    CBA. ALPA also encouraged pilots to confront any col-
    leagues who were not following ALPA’s directives.
    During the summer of 2000, pilots who did not comply
    with ALPA’s instructions had their names posted on
    bulletin boards along with derogatory comments about
    them, and they received harassing phone calls at home.
    The day after United agreed to large wage increases in
    the 2000 CBA, flight delays and cancellations returned
    to near-normal levels.
    ALPA used this history and the pilots’ knowledge
    of this earlier dispute to encourage the 2007 practices. For
    example, in April 2007, ALPA released a video message
    telling the pilots that if they had any doubts about what
    leverage is and what it could accomplish, they should
    talk to pilots who remembered prior negotiations. In
    September 2007, Wallach told the pilots that the 2000
    CBA was obtained by pilots “forcing the company to
    negotiate.” Wallach also said that the pilots had to make
    it more expensive for the company not to negotiate than
    to negotiate. As late as June 2008, a MEC member sent an
    e-mail to other MEC members reminding them that
    “[i]n 2000, we brought our CEO to his knees” because
    United was delaying reaching a new contract, and that
    he was prepared to increase his “level of risk.”
    No. 08-4157                                                 11
    ALPA’s actions and communications to pilots in the
    current job action were very similar to ALPA’s approach
    during the 2000 work slowdown, and the harassment of
    non-cooperating pilots also followed the same pattern.
    Because 90% of the current pilots were employed by
    United in 2000, the district court inferred that the
    current pilots understood how the elements of a job
    slowdown would be implemented, understood what
    ALPA meant when it used coded phrases like “fly the
    contract,” knew that they would likely be harassed by
    their fellow pilots if they failed to comply with ALPA’s
    directives, and believed that, based on their prior experi-
    ence, a slowdown campaign would create the leverage
    they wanted to give them an advantage at the bargaining
    table.
    5.
    The job action that began in 2006 escalated in 2008. In
    2008, United faced substantial increases in the price of
    jet fuel, resulting in a $2.7 billion net loss in the first six
    months of 2008. On June 4, 2008, United announced plans
    to retire approximately 100 aircraft and to furlough 1450
    pilots. The vast majority of the furloughed pilots were
    expected to be the same pilots who had been furloughed
    after September 11, 2001. In other words, most of the
    furloughed pilots would be part of the 2172. A week
    later, on June 11, 2008, the four individual defendants
    met. Recall that three of the individual defendants
    were indisputably members of the newly reformulated
    IRC and the fourth was Freeman, a member of the 2172
    12                                              No. 08-4157
    who had launched the 2172 website. A month after that
    meeting, the junior pilots who were expected to be fur-
    loughed began a sick-out that resulted in several
    hundred flight cancellations. United had expected that
    this group of pilots would try to use some of their sick
    leave before being furloughed, but the levels exceeded
    expectations, and when combined with other actions,
    such as refusals to take on junior/senior manning assign-
    ments, caused substantial disruptions in service at United.
    In 2006, the then-MEC Chairman Bathurst had an-
    nounced the “Fix it Now” campaign, which became
    more aggressive when the new MEC Chairman, Wallach,
    was appointed. Both MEC chairmen tied the success of
    ALPA’s efforts to reopen the 2003 CBA to actions by
    pilots to create leverage. ALPA directed the pilots to
    decline to fly aircraft that had deferrable maintenance
    (the “Fix it Now” campaign), to “fly the contract” (that is,
    to strictly adhere to the contract terms for the purpose
    of causing a slowdown), and to “work-to-rule” (another
    code for the pilots to strictly adhere to contract terms
    for the purpose of creating delays and cancellations). In
    January 2007, United agreed to meet ALPA to discuss
    modifying certain work rules if the changes could
    be effected on a cost-neutral basis. By the middle of
    March 2007, the parties reached a tentative agreement on
    some of these issues. Although the MEC approved the
    tentative agreement, ALPA’s members did not, and the
    deal fell through. Bathurst released a video in April 2007,
    addressing the failed agreement, the “Fix it Now” cam-
    paign and the group’s plans to pursue a more aggressive
    posture in seeking to modify the 2003 CBA. United’s
    No. 08-4157                                              13
    management immediately noticed a slowdown following
    the release of the video, and raised the issue with the
    MEC chairmen in May 2007 and January 2008. Neither
    MEC chairman would admit that a job action was under-
    way and ALPA took no action in response to United’s
    requests. United continued to offer to address specific
    concerns, and also increased its pool of reserve pilots
    so that the company would be less dependent on ju-
    nior/senior manning during pilot absences.
    On July 14, 2008, MEC Chairman Wallach directed ALPA
    to terminate negotiations with United regarding certain
    quality of life issues, and the sick-out began. On July 21,
    2008, after United requested assistance in ending the sick-
    out, Wallach sent a letter to the pilots regarding the
    increase in sick leave. The district court found that, “[o]n
    its face, the letter could not reasonably have been inter-
    preted by United pilots as discouraging the sick-out.” UAL,
    
    2008 WL 4936847
    , *34. The letter contained only two
    sentences indicating that the MEC did not condone the
    inappropriate use of sick leave, and that sick leave
    should only be used for purposes approved in the con-
    tract or as required by law. The court found that the
    remainder of the letter assured pilots that they were
    “absolutely entitled to use sick leave for appropriate
    circumstances.” The next eight paragraphs included
    “lengthy lists of the myriad situations in which a pilot
    may or must take sick leave—including a wide variety of
    medical reasons, as well as various non-medical situ-
    ations, such as fatigue, stress, and emotionally upsetting
    events.” 
    Id.
     Not entirely unexpectedly, sick leave did not
    substantially decrease following this letter. As we
    14                                            No. 08-4157
    noted above, United filed suit approximately one week
    later, the parties entered into the Standstill Agreement,
    and United sought injunctive relief.
    6.
    The district court concluded that ALPA had ordered a
    number of job actions focused on exerting financial pres-
    sure on United to force the company to reopen negotia-
    tions on the 2003 CBA before the amendable date
    required United to do so. In 2006, in addition to the Fix
    it Now campaign, the MEC chairman reactivated the
    MEC’s Strike Preparedness Committee (“SPC”), which
    had been inactive for approximately five years. At the
    time the SPC was reactivated, ALPA could not lawfully
    strike for at least three more years under the CBA. ALPA
    and the MEC chairmen issued statements and video-taped
    messages to the pilots employing phrases like “fly the
    contract” and “work-to-rule,” which the pilots under-
    stood from prior job actions as directives to engage in a
    slowdown. ALPA leadership also told the pilots it was not
    in their interest to waive any contract provisions, and in
    April 2007, the MEC chairman specifically discouraged
    the pilots from taking junior/senior manning assign-
    ments. Immediately after this statement, United noticed
    a substantial drop in the number of pilots willing to
    take these assignments. When United management ap-
    proached ALPA to discuss this drop-off and also to
    discuss the posting of “rat lists” naming pilots who took
    junior/senior manning assignments, ALPA claimed it had
    no involvement in any harassment and told the
    No. 08-4157                                              15
    company to take care of these issues through the normal
    discipline process. ALPA did not address the complaint
    about the drop-off in junior/senior manning. During the
    remainder of 2007, United and the pilots reached agree-
    ments on a number of smaller issues of concern to the
    pilots.
    Before Wallach began his formal term as chairman of
    the MEC, he asked United’s management to start negotia-
    tions before the April 2009 date contained in the 2003
    CBA. United asked to meet with Wallach and told him
    the company was contemplating a merger. United
    asked Wallach if they could defer discussions about
    reopening the contract until the merger discussions were
    complete. Wallach agreed to do so if United would imple-
    ment the failed tentative agreement from March 2007.
    United, hoping to stop the slowdown, agreed to imple-
    ment that agreement if Wallach would “take the customer
    out of” the equation, that is, if ALPA would stop
    engaging in actions that affected service to customers.
    Wallach agreed to do so, and did stop certain picketing
    at corporate and institutional customers, but did not halt
    the slowdown campaign. Indeed, after Wallach became
    the MEC chairman in January 2008, the district court
    found that ALPA began a more aggressive campaign to
    reopen the contract. During his campaign to be elected
    MEC chairman, Wallach advocated attacking the labor
    laws in Congress, and told the pilots that, although ALPA
    could not tell pilots specifically what to do, it could tell
    pilots to strictly abide by the flight operations manual and
    the contract. Wallach also told the pilots he did not con-
    sider the illegality of slowdowns under the RLA to be a
    16                                             No. 08-4157
    serious impediment, telling his audience, “You should
    use lawyers to get you out of jail when you do what you
    need to do.” On his first day in office, Wallach exhorted
    the pilots to “take back our airline and reclaim what was
    stolen from us” during the bankruptcy negotiations.
    The MEC Updates issued under Wallach repeatedly
    reminded the pilots that they were working under a
    contract negotiated under the duress of the bankruptcy.
    In February 2008, United met again with Wallach and
    presented him with statistical evidence regarding opera-
    tional delays. United asked for Wallach’s help in eliminat-
    ing service disruptions. But operational problems did
    not improve after this meeting. And once United
    finished merger discussions in April 2008 (the merger
    never happened), Wallach resumed the picketing he
    had earlier halted. That same month, United and ALPA
    agreed to jointly address fatigue issues for pilots. In
    May 2008, the parties began to negotiate work rules related
    to fatigue and “quality of work life” issues. Wallach
    told United management that there would be con-
    sequences if no agreement was reached on these issues
    by the end of May. Although Wallach did not describe
    the consequences, United understood this to be a threat
    that ALPA would intensify its disruption of United’s
    operations during the busy summer months. On June 4,
    2008, United announced its intention to reduce the fleet
    by 100 aircraft and to furlough 1450 pilots. As a result of
    this announcement, the parties agreed to turn their atten-
    tion to negotiating a furlough agreement. ALPA and
    United reached a furlough agreement in late June, which
    the MEC approved on July 11.
    No. 08-4157                                             17
    In the meantime, in late June, Wallach convened a closed-
    door meeting of the MEC, the IRC, the SPC and the
    Family Awareness Committee (a subcommittee of the
    SPC). E-mail chatter preceding this meeting suggested that
    some MEC members wanted to “ratchet up the heat” and
    bring the United CEO “to his knees.” A few days after
    the meeting, Wallach sent to United management a draft
    letter that he intended to send to the pilots. He told
    United to “stick it [presumably, the draft letter] in their
    decision matrix” on the fatigue negotiations. The letter
    attacked the competence and motives of United’s manage-
    ment and suggested that United did not care about the
    fatigue negotiations. Wallach delivered a revised version
    of this letter to the pilots on July 15, 2008. In the
    revised letter, Wallach told the pilots that ALPA was
    terminating negotiations with United on the fatigue and
    other “quality of work life” issues. Wallach painted
    United’s management as “a focused, hostile and arrogant
    management group” that did not care about the well-
    being of the pilots or their families. The letter told the
    pilots that they could not get out from under the 2003
    CBA unless they started to work on it “now,” meaning
    in July, a full eight and a half months before the 2003
    CBA allowed for negotiations to begin. Wallach later
    testified that he decided to terminate negotiations be-
    cause they were “out of time” and “done talking.” The
    district court questioned this explanation because there
    was no apparent time constraint, and the only alternative
    to continuing negotiations was to engage in a more wide-
    spread (and unlawful) job action. In contrast to Wallach
    and ALPA’s representations, the district court found that
    18                                              No. 08-4157
    United was making progress toward a fatigue agreement,
    and that the company sent a revised proposal to ALPA
    which United believed would resolve the only re-
    maining open issue. ALPA never replied to this proposal.
    Based on this and other evidence, the district court found
    that the true reason for sending the July 15 letter to the
    pilots was to foster indignation and animosity towards
    United, and to encourage the pilots to engage in more
    widespread job actions on the premise that United would
    not agree to ALPA’s proposals. At Wallach’s direction,
    ALPA also withdrew from an agreement the parties
    reached in September 2007 regarding a web-based trip
    trading program that the pilots wanted. Withdrawing
    from that agreement created a burden on pilots who
    wanted to trade trips and provided nothing to ALPA in
    return. In other words, ALPA took a step against the
    pilots’ interests, cancelling an agreement in favor of the
    pilots, for no apparent reason. The district court found
    this to be further evidence that Wallach and ALPA were
    trying to create animosity among the pilots toward United.
    7.
    The district court found that ALPA’s current campaign
    to force United to renegotiate the CBA mirrored the tactics
    ALPA employed in the 2000 slowdown. The court found
    that the current campaign included refusals to accept
    voluntary flight assignments such as junior/senior man-
    ning; refusals to waive contract provisions that pilots
    normally would be willing to waive; creation of flight
    delays with lengthy pre-flight cockpit checks; the unneces-
    No. 08-4157                                             19
    sary addition of extra fuel to flights; and the creation of
    flight delays and cancellations by refusing to fly aircraft
    with deferrable maintenance items. The court found that
    ALPA and the IRC encouraged a sick-out among the
    junior pilots which, combined with the refusal to accept
    junior/senior manning assignments, caused several hun-
    dred flight cancellations. Although ALPA claimed that
    the letter to the pilots on July 21, 2008 was intended to
    discourage the pilots from using sick leave inappropri-
    ately, the court found that the vast majority of the letter
    actually encouraged the use of sick leave, and that the
    pilots receiving the letter would have understood it as an
    invitation to ramp up sick leave. Indeed, after the pilots
    received the letter, the use of sick leave increased. The
    court found that there was also an extraordinary
    increase in fatigue calls during the relevant time. Pilots
    may call off work on any given day if they believe they are
    too fatigued to fly. This is a safety-based, no-questions-
    asked policy. During the time in question, there was a
    multifaceted education program about fatigue-related
    safety issues. The pilots received messages about fatigue
    from United, the FAA, and the airline industry as well as
    from ALPA and the IRC. The court found that it was
    impossible to discern to what extent the increase in
    fatigue calls was due to illegitimate efforts by ALPA and
    the IRC. The court therefore rejected United’s argument
    that the increase in fatigue calls was part of any unlawful
    job action. The district court’s findings on all of these
    issues are well-supported by the record and by the
    court’s careful analysis, and we affirm those findings.
    20                                              No. 08-4157
    The court also found that ALPA exerted such extra-
    ordinary control over the pilots that it could direct
    whether the pilots were going to wear their hats on
    certain days. MEC Updates included a graphic of a light
    switch. When the switch was in the “on” position, pilots
    were to wear their hats, and when the switch was in the
    “off” position pilots were to keep their hats off. This
    exercise in solidarity and control over the pilots was
    enormously successful, and some pilots who wore their
    hats during “off” periods were threatened with physical
    violence by other pilots. The court found additional
    evidence of ALPA’s ability to control the actions of the
    pilots, including the immediate success of the Standstill
    Agreement in dramatically reducing the use of sick leave.
    Unlike the counterproductive July 21, 2008 letter, ALPA
    was able to convey to the pilots that, this time, it really
    meant it.
    Moreover, pilots who did not comply with ALPA’s
    directives on junior/senior manning found themselves the
    subjects of harassment that included “rat lists”; derogatory
    and threatening notes at work and at home; graphically
    violent horror movies delivered to their homes; unautho-
    rized loans taken out in their names; magazine subscrip-
    tions taken out in their names; and harassing phone calls
    to the pilots, their spouses and (most appallingly) their
    children at home. Although ALPA denied that it sup-
    ported the harassment, the court concluded from the
    evidence that ALPA ratified and possibly authorized this
    harassment, and that ALPA knew about the harassment
    and failed to take any meaningful action to discourage
    it. The harassment was the mechanism by which ALPA
    No. 08-4157                                                21
    was able to exert control over the pilots. These findings
    are also well-supported by the record and we affirm them.
    B.
    We refer the reader again to the district court’s exhaus-
    tive opinion for the court’s conclusions of law. UAL, 
    2008 WL 4936847
    , *35-*47. In a nutshell, the court found that
    ALPA and the individual defendants violated Section 2,
    First of the RLA by directing and encouraging the pilots
    (1) to refuse junior/senior manning assignments; (2) to
    refuse to waive contract provisions; (3) to “fly the contract”
    and engage in conduct that would increase flight delays,
    cancellations and costs to United; and (4) to engage in a
    sick-out (especially among the junior pilots) beginning in
    July 2008. The court also found that ALPA violated its
    duty to exert every reasonable effort to stop the disrup-
    tion of United’s operations and to stop the harassment
    of pilots who did not cooperate with ALPA’s directives.
    The court found that the defendants engaged in these
    activities for the purpose of obtaining a new CBA. The
    court concluded that this was not a “minor dispute” under
    the RLA, and that the court had jurisdiction to enforce
    Section 2, First of the RLA under these circumstances.
    United’s claims were not barred by the six-month statute
    of limitations contained in the RLA, the court deter-
    mined, because the defendants were engaged in a multi-
    faceted, ongoing slowdown campaign that constituted a
    continuing violation of the RLA. The court also held that
    United’s claims were not barred by laches.
    The court held that the Norris-LaGuardia Act (“NLGA”),
    
    29 U.S.C. § 101
     et seq., does not prohibit the issuance of a
    22                                            No. 08-4157
    preliminary injunction in these circumstances. Although
    the NLGA generally strips courts of jurisdiction to enter
    injunctions against labor unions in labor disputes, the
    court noted that, where a challenged action violates a
    specific provision of the RLA, the RLA takes precedence
    over the NLGA. Under Section 7(a) of the NLGA, the court
    acknowledged it could not enter an injunction unless
    the court found that unlawful acts have been threatened
    and will be committed unless restrained or have been
    committed and will be continued unless restrained. The
    court rejected ALPA’s claim that United is no longer
    suffering operational problems, and that the lawsuit and
    ALPA’s subsequent actions have been adequate to
    address the operational problems. The court found no
    support in the record for those contentions. Nor was the
    court persuaded that the Standstill Agreement or the
    defendants’ voluntary cessation of certain activities
    negated the need for an injunction. Based on the record
    we described above, the court believed that the defend-
    ants would continue to engage in unlawful conduct to
    disrupt United’s operations unless an injunction was
    entered. In balancing the four factors for a preliminary
    injunction, the court found that United had demonstrated
    a likelihood of success on the merits, that the company
    had no adequate remedy at law, that the balance of hard-
    ships weighed in United’s favor, and that the public
    interest also weighed in favor of United. The court there-
    fore granted the preliminary injunction, and the defen-
    dants have appealed.
    No. 08-4157                                               23
    II.
    The defendants raise four main issues in this expedited
    appeal. First, they contend that the six-month statute of
    limitations bars United’s claim that ALPA engaged in an
    unlawful job action. Second, they argue that ALPA has
    made reasonable efforts under Section 2, First of the
    RLA in response to the alleged sick-out. Third, they
    contend that United has not satisfied the requirements
    of Section 6 of the NLGA Act because the company
    failed to show that the defendants participated in or
    ratified any unlawful acts. Finally, the defendants maintain
    that the requirements of Section 7 of the NLGA were not
    satisfied here, and that an injunction was not necessary
    to prevent a violation of Section 2, First of the RLA. We
    review the district court’s findings of fact for clear error,
    its balancing of the factors for a preliminary injunction
    under the abuse of discretion standard, and its legal
    conclusions de novo. United Air Lines, Inc. v. Int’l Ass’n of
    Machinist & Aerospace Workers, 
    243 F.3d 349
    , 360 (7th Cir.
    2001) (“IAM”).
    A.
    Because the RLA has no statute of limitations for
    actions under Section 2, First, we borrow the six-month
    statute of limitations from section 10(b) of the National
    Labor Relations Act (“NLRA”), 
    29 U.S.C. § 160
    (b). See
    West v. Conrail, 
    481 U.S. 35
    , 37-38 (1987); Brotherhood of
    Locomotive Eng’rs v. Atchison, Topeka & Sante Fe Ry. Co., 
    768 F.2d 914
    , 919 (7th Cir. 1985). The defendants contend that
    United was aware of the job actions in dispute here as
    24                                              No. 08-4157
    much as eighteen months before the company filed this
    suit on July 30, 2008. Specifically, the defendants posit
    that United was aware of the problems with junior/senior
    manning in 2006, and knew about ALPA’s other actions
    (refusals to waive the contract, delays and cancellations
    due to refusals to fly aircraft with deferrable maintenance,
    the use of excessive amounts of fuel, for example) in
    2006 and 2007. Because United did not file suit until more
    than six months after those actions commenced, the
    defendants maintain that the suit is untimely.
    As the district court noted, the defendants’ actions
    were not discrete acts that occurred outside the period of
    limitations. Rather, the actions were a “multi-faceted and
    ongoing slowdown campaign” that violated the RLA
    outside of the limitations period and continued to occur
    and continued to cause new harm during the limitations
    period. The court found that the directives by ALPA to
    the pilots, and the pilots’ actions to disrupt United’s
    operations continued well into the six-month period prior
    to the filing of the lawsuit. In fact, the court noted, the
    continuing campaign against junior/senior manning
    contributed to the large number of flight cancellations
    at the height of the sick-out campaign in July 2008, weeks
    before United filed suit. The court looked to cases inter-
    preting Section 10(b) of the NLRA (from which we bor-
    rowed the statute of limitations), and found that when a
    violation begins outside the period of limitations but
    continues into the limitations period, the claim is not time
    barred. See Atlas Air, Inc. v. Air Line Pilots Ass’n, 
    232 F.3d 218
    , 226-27 (D.C. Cir. 2000) (under the RLA, as in
    the NLRA, suits for unlawful actions which begin before
    No. 08-4157                                              25
    the limitations period but continue during the limita-
    tions period and continue to cause injury during the
    limitations period are not time barred). As the Ninth
    Circuit explained:
    A party may not rely solely on events occurring more
    than six months before suit was filed to establish a
    violation of the RLA. However, events occurring
    outside the limitations period may be proven to shed
    light on the true character of matters occurring within
    the limitations period, if evidence exists that is rea-
    sonably substantial in its own right that the violation
    of the RLA upon which the plaintiff relies occurred
    within the period. The evidence of events within the
    limitations period, considered apart from earlier
    evidence which may help to explain the events in
    question, need not be conclusive; significant or con-
    siderable evidence that a violation occurred within
    the limitations period will suffice.
    Association of Flight Attendants, AFL-CIO v. Horizon Air
    Indus., Inc., 
    976 F.2d 541
    , 547-48 (9th Cir. 1992) (internal
    citations and quotation marks omitted). See also Local
    Lodge No. 1424 v. NLRB, 
    362 U.S. 411
    , 416 (1960) (interpret-
    ing section 10(b) of the NLRA, and holding that, when
    occurrences within the six-month limitations period in
    and of themselves may constitute, as a substantive
    matter, unfair labor practices, earlier events may be
    utilized to shed light on the true character of matters
    occurring within the limitations period).
    Here the district court clearly found that, during the
    limitations period, the defendants were engaged in unlaw-
    26                                             No. 08-4157
    ful job actions that caused harm to United’s operations. In
    addition, the full effect of actions that began before the
    limitations period was not felt until ALPA initiated
    additional actions during the limitations period. For
    example, the ongoing campaign to refuse junior/senior
    manning assignments, which began in 2006, combined
    with the junior pilot sick-out in July 2008 to force
    hundreds of flight cancellations. Neither action alone
    would have produced the same magnitude of harm as
    those actions did together; it was the combination of
    refusals to accept overtime assignments combined with a
    large number of pilots calling in sick that caused the
    cancellations. This fact alone distinguishes this case from
    Limestone Dev. Corp. v. Village of Lemont, 
    520 F.3d 797
    (7th Cir. 2008), and Lewis v. City of Chicago, 
    528 F.3d 488
    (7th Cir. 2008), which the defendants characterize as
    irreconcilable with Atlas Air. In each of those cases, the
    wrongful acts and the injuries were completed outside
    the limitations period, although “lingering effects” of the
    wrongful actions were alleged. In the instant case, the
    defendants engaged in unlawful actions before and
    during the limitations period that caused injuries before
    and during the limitations period. The earlier actions
    shed light on the actions within the limitations period.
    And the earlier actions that continued into the limitations
    period combined with actions well within the period to
    create new injuries. United’s action is not time barred.
    B.
    We can dispense quickly with the defendants’ second
    argument; it has no merit. The defendants argue that
    No. 08-4157                                               27
    ALPA made reasonable efforts under Section 2, First to
    halt the alleged sick-out. Citing our IAM opinion, they
    contend that the court may not issue a preliminary injunc-
    tion against a union that has promoted improper activity
    if the union has taken sufficient steps to attempt to end
    that activity. They cite ALPA’s July 21, 2008 letter to the
    pilots as a reasonable attempt to end the sick-out. But the
    district court found that this letter contained only a few
    sentences addressed to ending the unlawful sick-out and
    was mostly composed of coded encouragements to con-
    tinue and even ramp up the sick-out. As the court noted,
    the sick-out continued and even increased in intensity
    following the letter. Yet after the lawsuit was filed and
    the parties entered into the Standstill Agreement, ALPA
    managed to find a way to communicate to the pilots
    that they should back off of the sick-out. The July 21
    letter was surprisingly ineffective even though ALPA
    was able to control the pilots at such a level of minutiae
    that it could direct when the pilots would wear their
    hats. The court did not err when it concluded that ALPA
    had not engaged in a good faith effort to end the sick-
    out when it sent the July 21 letter. Rather, ALPA sent the
    pilots a letter that the pilots would understand to be an
    invitation to continue the sick-out. ALPA’s argument on
    this point consists mostly of a request for this court to
    reweigh the evidence and to consider again the district
    court’s credibility findings. We accord substantial defer-
    ence to the district court’s findings of fact, and the defen-
    dants do not come close to demonstrating clear error
    here. IAM, 
    243 F.3d at 360-61
    .
    28                                                No. 08-4157
    C.
    The defendants acknowledge that a court may issue
    an injunction to enforce the requirements of Section 2,
    First of the RLA. But they contend that the requirements
    of Section 6 of the NLGA must also be met before an
    injunction may issue, and that those requirements were
    not met here. Section 6 of the NLGA provides:
    No officer or member of any association or organiza-
    tion, and no association or organization participating
    or interested in a labor dispute, shall be held responsi-
    ble or liable in any court of the United States for the
    unlawful acts of individual officers, members, or
    agents, except upon clear proof of actual participation
    in, or actual authorization of, such acts, or of ratifica-
    tion of such acts after actual knowledge thereof.
    
    29 U.S.C. § 106
    . The defendants assert that Section 6
    requires United to provide clear proof that the defendants
    participated in, authorized, or ratified the job actions
    at issue here. United disputes whether the clear proof
    standard applies in the context of injunctive relief, main-
    taining that it applies only to claims for damages or
    criminal liability. In IAM, we assumed without expressly
    deciding that Section 6 applied to claims for injunctive
    relief. IAM, 
    243 F.3d at 365-67
    . See also Air Line Pilots Ass’n
    v. United Air Lines, Inc., 
    802 F.2d 886
    , 905 (7th Cir. 1986)
    (hereafter “ALPA”) (in order to establish that Section 6
    does not insulate a union against an injunction, the em-
    ployer was required to show by “clear proof” the union’s
    involvement with sick leave abuse). We need not revisit
    the use of the clear proof standard in this case because
    No. 08-4157                                              29
    United still prevails under the higher clear proof
    standard, which requires “clear and convincing evidence,
    as opposed to a preponderance.” ALPA, 
    802 F.2d at 905
    .
    The defendants argue that the district court clearly erred
    in finding clear proof that (1) the pilots engaged in a
    slowdown in 2008; (2) the pilots engaged in a sick-out in
    June and July of 2008; (3) ALPA and the individual defen-
    dants authorized or ratified messages posted on the
    MEC Forum or the website for the 2172; (4) the indi-
    vidual defendants who were members of the IRC insti-
    gated a sick-out; and (5) ALPA’s July 15 letter from
    Wallach was intended to foster indignation and animosity
    among the pilots toward United, and thus encourage
    them to engage in more widespread job actions. The
    defendants counter these findings by explaining that
    (1) any increase in delays and cancellations can be ex-
    plained by “the most challenging operating environment
    in aviation history” that occurred in 2008; (2) any increase
    in sick leave usage was not the result of a concerted sick-
    out but rather was the expected result of United’s an-
    nouncement that it intended to retire 100 aircraft and
    furlough 1450 pilots; (3) there was no evidence that ALPA
    or the individual defendants authorized or ratified the
    messages posted on the MEC Forum or the 2172 website;
    (4) the individual defendants actually tried to prevent
    the sick-out in the June 11 meeting; and (5) there was
    nothing unlawful about the July 15 letter and no evidence
    that any pilots called in sick as a result of that letter.
    We note again that we owe great deference to the
    district court’s findings of fact and will reverse them only
    30                                              No. 08-4157
    for clear error. IAM, 
    243 F.3d at 360-61
    . In ALPA, we
    found that statistical evidence alone regarding a marked
    increase in sick leave was not enough to constitute
    clear proof that the union was implicated in a sick-out
    scheme. 
    802 F.2d at 905-06
    . See also IAM, 
    243 F.3d at 366
    (reiterating that statistical evidence alone is not enough
    to provide clear proof of a union’s involvement in a
    work action). An employer may meet the clear proof
    standard with statistical evidence in combination with
    evidence of a union’s coded communications to its mem-
    bers to engage in an unlawful job action. Phrases such
    as “work safe,” “work by the book,” “adhere to strict
    contractual requirements,” “not to neglect even the most
    minor write ups,” “check every item on the checklists,”
    were all recognized as coded signals to engage in a slow-
    down. 
    243 F.3d at 366-67
    . In ALPA, we suggested that
    statistical evidence plus a notice posted on a union’s
    bulletin board could suffice as clear proof. 
    802 F.2d at 367
    .
    In IAM, we found that the union’s directives to workers
    to “work safe,” to clean their boxes and tools daily, and
    to shut down and fix anything that is not safe, combined
    with statistical evidence, were clear proof of a union’s
    authorization of a slowdown. 
    243 F.3d at 367
    .
    With those standards in mind, we turn to the evidence
    on which the district court relied in finding that United
    had clearly proved the defendants’ involvement in
    various job actions. First, the court relied on statistical
    evidence regarding increases in the use of sick leave, in
    refusals to accept junior/senior manning assignments, and
    in flight delays and cancellations. Second, and more
    importantly, the court also relied on the many messages
    No. 08-4157                                               31
    that the defendants conveyed to the pilots during the
    relevant time frame. Among those messages were
    repeated directives to “fly the contract,” to not waive
    any part of the contract, to decline junior/senior
    manning assignments, to “fix it now,” and to “work-to-
    rule.” Some of these directives appeared on websites and
    in mass e-mails, the twenty-first-century equivalents of
    a bulletin board. Some communications occurred through
    channels that were decidedly less traceable such as
    phone trees. The court based its conclusions that the
    pilots understood these to be coded phrases to engage in
    job actions on prior disputes between the company and
    the pilots where similar phrases were employed, finding
    those prior disputes relevant because so many of the
    pilots involved in the earlier actions were still on the job.
    Other evidence before the court included the July 15,
    2008 letter that the court determined was designed to
    increase indignation and animosity among the pilots
    toward the company. We will not repeat the district court’s
    complete findings. We affirm those findings because,
    contrary to the defendants’ contentions, the court relied
    on a wealth of evidence in rejecting the defendants’
    alternative explanations for the increases in sick leave
    usage, and flight delays and cancellations.
    We addressed above the appropriateness of the district
    court’s findings regarding the July 21, 2008 letter related
    to sick leave usage. The defendants also complain that the
    court erred by drawing a negative inference from the
    failure of the individual defendants to testify at the
    hearing regarding the June 11, 2008 meeting regarding the
    sick-out. The defendants, however, have mischaracterized
    32                                            No. 08-4157
    the court’s analysis. The court found that there were
    material inconsistencies in the deposition testimony of
    the four individual defendants regarding the composi-
    tion of the IRC, the timing of their appointments to the
    IRC, and the content of the June 11 meeting. From those
    inconsistencies alone the court concluded that the defen-
    dants were not candid in their claims about the June 11
    meeting or the composition of the IRC. The court was
    merely noting that the defendants had an opportunity to
    clarify the inconsistencies and did not. In the absence of
    any explanation, the court adhered to its view that the
    individual defendants lacked credibility in their deposi-
    tion testimony. There was nothing inappropriate in
    drawing that inference and adhering to it in the absence
    of any evidence to the contrary.
    As for the July 15 letter, the court was correct to con-
    sider its content and tone in relation to all of the other
    evidence about the job actions. The letter used inflam-
    matory language and informed the pilots that it was
    necessary to begin working on a new CBA “now,” more
    than eight months before the 2003 CBA allowed for
    negotiations to begin. In the context of everything else
    that was going on at the time, the July 15 letter was one
    more piece of evidence that the increased sick leave,
    and flight delays and cancellations were not coincidental
    and could not be explained by the challenging operating
    conditions faced by the company. The district court did
    not err in finding that United clearly proved that the
    defendants authorized and/or ratified the unlawful job
    actions.
    No. 08-4157                                                33
    D.
    Finally, the defendants argue that the district court erred
    in finding the requirements of Section 7 of the NLGA
    satisfied, contending that the injunction was not neces-
    sary to prevent a violation of Section 2, First of the RLA.
    The RLA, the starting point of our analysis, was enacted,
    in part, to avoid interruptions to commerce or to the
    operation of carriers engaged in commerce. See 45 U.S.C.
    § 151a. The RLA seeks to encourage collective bargaining
    and to avoid wasteful strikes and interruptions of inter-
    state commerce. IAM, 
    243 F.3d at 361
    ; ALPA, 
    802 F.2d at 895
    . In order to accomplish this goal, Section 2, First of the
    RLA imposes on both management and labor a duty to
    “exert every reasonable effort to make and maintain
    agreements concerning rates of pay, rules, and working
    conditions, and to settle all disputes . . . in order to avoid
    any interruption to commerce or to the operation of any
    carrier growing out of any dispute between the carrier
    and the employees thereof.” 
    45 U.S.C. § 152
    . The
    Supreme Court has characterized this duty as the heart of
    the RLA. See Brotherhood of R.R. Trainmen v. Jacksonville
    Terminal Co., 
    394 U.S. 369
    , 377-78 (1969). During all labor
    negotiations, the parties are obliged under the RLA to
    maintain the status quo with respect to pay, work rules
    and working conditions. IAM, 
    243 F.3d at 361-62
    . If
    either management or labor engages in conduct that
    violates the RLA, a court may enjoin the unlawful activ-
    ity. IAM, 
    243 F.3d at 362
    .
    But when a carrier is seeking to enjoin the activities of a
    union, “a court must look not only to the RLA but also to
    34                                               No. 08-4157
    the NLGA to determine whether the court has jurisdic-
    tion.” IAM, 
    243 F.3d at 362
     (quoting Delta Air Lines, Inc. v.
    Air Line Pilots Ass’n, 
    238 F.3d 1300
    , 1305 (11th Cir. 2001)).
    As a general rule, the NLGA strips courts of jurisdiction
    to enter injunctions against labor unions in cases growing
    out of labor disputes. Section 7 of the NLGA provides,
    in relevant part:
    No court of the United States shall have jurisdiction
    to issue a temporary or permanent injunction in any
    case involving or growing out of a labor dispute, as
    defined in this chapter, except after hearing the testi-
    mony of witnesses in open court (with opportunity
    for cross-examination) in support of the allegations of
    a complaint made under oath, and testimony in op-
    position thereto, if offered, and except after findings
    of fact by the court, to the effect--
    (a) That unlawful acts have been threatened and will
    be committed unless restrained or have been commit-
    ted and will be continued unless restrained, but no
    injunction or temporary restraining order shall be
    issued on account of any threat or unlawful act ex-
    cepting against the person or persons, association, or
    organization making the threat or committing the
    unlawful act or actually authorizing or ratifying the
    same after actual knowledge thereof;
    
    29 U.S.C. § 107
    . Reading the RLA and the NLGA together,
    the Supreme Court has held that when a challenged action
    violates a specific provision of the RLA (such as the
    status quo provisions), the court may enter an injunction
    against a union using the standards set forth in the NLGA.
    No. 08-4157                                                 35
    Pittsburgh & Lake Erie R.R. Co. v. Ry. Labor Executives’ Ass’n,
    
    491 U.S. 490
    , 513 (1989); IAM, 
    243 F.3d at 362
    .
    As we stated in IAM, “the Court has carved out an
    exception from the NLGA’s general prohibition on injunc-
    tive relief against union activity for violations of specific
    provisions of the RLA.” 
    243 F.3d at 362
    . However, “this
    exception is a limited one which applies only if an in-
    junction is the only, practical, effective means of enforcing
    the duty to exert every reasonable effort to make and
    maintain agreements, or if that remedy alone can effec-
    tively guard the plaintiff’s right.” IAM, 
    243 F.3d at 362-63
    (internal citations and quotation marks omitted). See also
    Burlington Northern & Santa Fe Ry. Co. v. Brotherhood of
    Locomotive Eng’rs, 
    367 F.3d 675
    , 679 (7th Cir. 2004) (where
    there are other effective means available to ensure com-
    pliance with the provisions of the RLA, an injunction
    should not issue).
    The defendants contend that the district court erred in
    finding that the NLGA did not bar the issuance of an
    injunction here. According to the defendants, United did
    not meet its burden of demonstrating that any unlawful
    activity would continue in the absence of an injunction.
    The defendants assert that the district court committed an
    error of law when it reversed the burden and required
    that the defendants demonstrate that their unlawful
    conduct had ceased. The defendants maintain that United
    presented no evidence that the company continued to
    suffer operational difficulties after the parties entered
    into the Standstill Agreement. With the Standstill Agree-
    ment in place, the defendants argue, there was no need to
    36                                              No. 08-4157
    enter the injunction. At oral argument, we asked the
    defendants whether it was ever appropriate to enter a
    preliminary injunction once a union had signed a “stand-
    still agreement.” The defendants said an injunction
    would be appropriate at that point only if there was also
    evidence that the union’s subsequent actions and state-
    ments were not consistent with the standstill agreement.
    In this case, the district court in fact found that the
    defendants’ subsequent actions and statements were not
    consistent with the Standstill Agreement. Although some
    of the job actions declined following the Standstill Agree-
    ment, some then increased again after the initial decline.
    For example, although sick leave usage initially declined
    following the signing of the Standstill Agreement, it
    then increased, albeit not to prior levels. And the post-
    Standstill sick leave usage, although lessened from the
    peak of the sick-out, continued to greatly exceed expected
    levels of usage. The pilots also continued to refuse ju-
    nior/senior manning assignments at greatly reduced rates
    following the Standstill Agreement. The district court
    was also aware that the promises made in the Standstill
    Agreement were not made in a vacuum. The court consid-
    ered the history of ALPA’s actions in this dispute and in
    prior labor disputes. During those disputes, as well as the
    current one, ALPA exerted great control over the pilots.
    The pilots were aware that they would face harassment
    and ostracism if they failed to follow ALPA’s directives.
    During the current dispute, when United asked for
    ALPA’s assistance in curbing the sick-out, ALPA sent out
    a letter that, with a wink and a nod, actually resulted in an
    increase in sick leave. ALPA continues to insist that the
    No. 08-4157                                                  37
    July 21 letter was a good faith effort to end the sick-out.
    The district court was entitled to conclude that only an
    injunction would put a halt to the unlawful actions in
    light of that continued insistence. Only when faced with
    the litigation did ALPA accede to the Standstill Agree-
    ment and issue a directive that had any real effect on
    lowering sick leave usage. Even then, it did not eliminate
    the problem. The court considered the defendants’ action
    in entering into the Standstill Agreement as one factor
    among many in determining that “an injunction is neces-
    sary to enforce the defendants’ status quo obligations
    under the RLA.” UAL, 
    2008 WL 4936847
    , *43.
    We agree that a voluntary cessation of wrongful conduct
    is a factor for the court to consider in deciding whether
    an injunction is necessary. See Milwaukee Police Ass’n v.
    Jones, 
    192 F.3d 742
    , 747 (7th Cir. 1999) (voluntary cessation
    of activity does not render a case moot unless the defen-
    dant can demonstrate that there is no reasonable expecta-
    tion that the wrong will be repeated).1 The defendants have
    attempted to characterize the Standstill Agreement as a
    “voluntary” cessation of any job actions. The district court,
    however, was within its discretion to find that an agree-
    ment signed only after a lawsuit has been filed is not
    voluntary, and that even a voluntary cessation is not
    1
    We understand that the defendants are not arguing that the
    case is moot because of the Standstill Agreement. Rather, the
    defendants claim that because of the Standstill Agreement, no
    injunction is necessary under the NLGA and the preliminary
    injunction should be dissolved. We nonetheless find the
    mootness cases relevant to the analysis of voluntary cessations.
    38                                              No. 08-4157
    determinative. The court may consider how easily former
    practices might be resumed at any time in determining
    the appropriateness of injunctive relief. 
    Id.
     ALPA and the
    defendants had employed means of communication,
    such as the telephone trees, that left no trail of evidence.
    Without the threat of contempt, the district court could
    reason that ALPA would continue to say one thing in
    public and to the court, and another thing to its members.
    The SPC—the Strike Preparedness Committee—had been
    reactivated. ALPA had demonstrated an ability to convey
    messages secretly to pilots who feared retaliation based on
    prior experience. The individual defendants had been “less
    than candid” in their testimony. In combination with
    the other facts we describe above, the court was within
    its discretion in finding that an injunction was the only
    means of assuring compliance with the status quo provi-
    sions of the RLA. See Burlington Northern, 
    367 F.3d at 678
    (we review an order to grant or deny a preliminary injunc-
    tion under a highly deferential abuse of discretion stan-
    dard).
    III.
    For the reasons stated above, we affirm the judgment
    of the district court.
    A FFIRMED.
    3-23-09