UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 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): August 24, 2018

UNITED CONTINENTAL HOLDINGS, INC.

(Exact name of registrant as specified in its charter)

(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:

o Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

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 o

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

On August 24, 2018, United Continental Holdings, Inc. (the “Company”), acting pursuant to authorization from its Board of Directors, determined to voluntarily withdraw the principal listing of the Company’s common stock, par value $0.01 per share (the “Common Stock”), from the New York Stock Exchange (“NYSE”) and transfer the listing to The Nasdaq Global Select Market (“Nasdaq”). The Company expects that listing and trading of its common stock on the NYSE will end at market close on September 6, 2018, and that trading will begin on Nasdaq at market open on September 7, 2018.

The Common Stock has been approved for listing on Nasdaq, where it will continue to trade under the stock symbol “UAL.”

The Company issued a press release in connection with the transfer of the principal listing of the Common Stock to Nasdaq. The press release is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

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SIGNATURES

Pursuant to the requirements of the Exchange Act, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Date: August 24, 2018

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Exhibit 99.1

United Announces Move to Nasdaq

Transfer expected to take effect September 7; Ticker symbol to remain UAL

Chicago, Aug. 24, 2018 — United Continental Holdings, Inc. (UAL), the parent company of United Airlines, Inc., today announced that it is transferring its stock exchange listing to The Nasdaq Global Select Market from The New York Stock Exchange. UAL expects its common stock to begin trading on the Nasdaq Global Select Market on Sept. 7, 2018, and will continue to be listed under the ticker symbol “UAL”.

“We look forward to our future partnership with Nasdaq. Their highly respected trading platform and marketing initiatives offer the most cost-effective listing alternative and support our work to deliver on our cost targets,” said Gerry Laderman, EVP and CFO of UAL.

About United

United Airlines and United Express operate approximately 4,600 flights a day to 357 airports across five continents. In 2017, United and United Express operated more than 1.6 million flights carrying more than 148 million customers. United is proud to have the world’s most comprehensive route network, including U.S. mainland hubs in Chicago, Denver, Houston, Los Angeles, Newark/New York, San Francisco and Washington, D.C. United operates 757 mainline aircraft and the airline’s United Express carriers operate 551 regional aircraft. The airline is a founding member of Star Alliance, which provides service to 193 countries via 28 member airlines. For more information, visit united.com, follow @United on Twitter or connect on Facebook. The common stock of United’s parent, United Continental Holdings, Inc., is traded on the NYSE under the symbol “UAL”.

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