Sec Form 4 Filing - KIRBY J SCOTT @ United Continental Holdings, Inc. - 2018-02-28

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person KIRBY J SCOTT 2. Issuer Name and Ticker or Trading Symbol United Continental Holdings, Inc. [ UAL] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) President (Last) (First) (Middle) P. O. BOX 66100 HDQLD 3. Date of Earliest Transaction (MM/DD/YY) 02/28/2018 (Street) CHICAGO, IL60666 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 02/28/2018 M( 1 )( 2 ) 12,224 A $ 0 114,518 D Common Stock 02/28/2018 F( 3 ) 5,416 D $ 67.79 109,102 D Common Stock 02/28/2018 F( 4 ) 1,795 D $ 67.79 107,307 D Common Stock 5,000 I See Footnote ( 5 ) Common Stock 8,000 I See Footnote ( 6 )

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Restricted Stock Units ( 7 ) 02/28/2018 M( 1 ) 12,224 ( 2 ) ( 2 ) Common Stock 12,224 $ 0 24,450 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other KIRBY J SCOTT P. O. BOX 66100 HDQLD CHICAGO, IL60666 President Signatures /s/ Sarah Hagy for J. Scott Kirby 03/02/2018 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Represents the settlement upon vesting of restricted stock units ("RSUs") into UAL common stock. ( 2 )The RSUs were granted on February 23, 2017 and vest in 1/3 annual installments on February 28, 2018, 2019 and 2020. ( 3 )This transaction represents the withholding of shares to pay tax withholding obligations associated with the vesting of the RSU award granted on February 23, 2017. ( 4 )This transaction represents the withholding of shares to pay tax withholding obligations associated with the vesting of the restricted stock award granted on August 29, 2016. This award vests in 1/3 annual installments on February 28, 2017, 2018 and 2019. ( 5 )Represents shares held in a trust for the benefit of Mr. Kirby's children and other relatives in which Mr. Kirby serves as the trustee. The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these shares in this report is not an admission that the reporting person is the beneficial owner of all of the reported shares for purposes of Section 16 or for any other purpose. ( 6 )Represents shares held in a trust for the benefit of Mr. Kirby's children in which Mr. Kirby's brother serves as the trustee. The reporting person disclaims beneficial ownership of these securities, and the filing of this report is not an admission that the reporting person is the beneficial owner of these securities for purposes of Section 16 or for any other purpose. ( 7 )Each RSU represents the economic equivalent of one share of UAL common stock and is settled in shares of UAL common stock upon vesting.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

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