Reg FD Disclosure

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549   FORM 8-K   CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934   Date of Report (Date of earliest event reported): April 27, 2026   UNITED AIRLINES HOLDINGS, INC. UNITED AIRLINES, INC. (Exact name of registrant as specified in its charter)   Delaware   001-06033   36-2675207 Delaware   001-10323   74-2099724 (State or other jurisdiction   (Commission File Number)   (IRS Employer of incorporation)       Identification Number)   233 S. Wacker Drive , Chicago , IL   60606 233 S. Wacker Drive , Chicago , IL   60606 (Address of principal executive offices)   (Zip Code)   ( 872 ) 825-4000 ( 872 ) 825-4000 Registrant’s telephone number, including area code   (Former name or former address, if changed since last report.)   Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:   ¨ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)   ¨ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)   ¨ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))   ¨ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))   Securities registered pursuant to Section 12(b) of the Act:   Registrant   Title of Each Class   Trading Symbol   Name of Each Exchange on Which Registered United Airlines Holdings, Inc.   Common Stock, $0.01 par value   UAL   The Nasdaq Stock Market LLC United Airlines Holdings, Inc.   Preferred Stock Purchase Rights   None   The Nasdaq Stock Market LLC United Airlines, Inc.   None   None   None   Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).    Emerging growth company  ¨   If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.  o       true   Co-Registrant CIK 0000319687 Co-Registrant Amendment Flag false Co-Registrant Form Type 8-K Co-Registrant DocumentPeriodEndDate April 27, 2026 Co-Registrant Written Communications false Co-Registrant Solicitating Materials false Co-Registrant PreCommencement Tender Offer false Co-Registrant PreCommencement Issuer Tender Offer false Co-Registrant Entity Emerging Growth Company false       Item 7.01 Regulation FD Disclosure.   On April 27, 2026, United Airlines Holdings, Inc. (“UAL”), the holding company whose subsidiary is United Airlines, Inc. (together with UAL, the “Company”), issued a press release. A copy of the press release is furnished pursuant to this Item 7.01 as Exhibit 99.1 to this Current Report on Form 8-K and incorporated by reference herein in its entirety.   Pursuant to General Instruction B.2. to Form 8-K, the information set forth in this Current Report on Form 8-K, including Exhibit 99.1, shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or otherwise subject to the liabilities thereof, nor shall it be incorporated by reference into future filings by the Company under the Exchange Act or under the Securities Act of 1933, as amended, except to the extent specifically provided in any such filing. Additionally, the submission of the information set forth in this Item 7.01 is not deemed an admission as to the materiality of any information in this Current Report on Form 8-K that is required to be disclosed solely by Regulation FD.   Item 9.01 Financial Statements and Exhibits.   99.1   Press Release issued by United Airlines Holdings, Inc., dated April 27, 2026       104   Cover Page Interactive Data File (embedded within the Inline XBRL document)         SIGNATURES   Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.     UNITED AIRLINES HOLDINGS, INC.   UNITED AIRLINES, INC.         By: /s/ Robert S. Rivkin   Name: Robert S. Rivkin   Title: Senior Vice President & Chief Legal Officer   Date: April 27, 2026