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 OF SECURITIES 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 * Gebo Kate   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) EVP HR and Labor Relations (Last) (First) (Middle) P. O. BOX 66100 HDQLD 3. Date of Earliest Transaction (Month/Day/Year) 02/28/2018 (Street) CHICAGO, IL 60666 4. If Amendment, Date Original Filed(Month/Day/Year) 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 (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 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)   2,123 A $ 0 9,098 D   Common Stock 02/28/2018   F(3)   941 D $ 67.79 8,157 D   Common Stock 02/28/2018   F(4)   88 D $ 67.79 8,069 D   Common Stock 02/28/2018   F(5)   153 D $ 67.79 7,916 D   Common Stock 02/28/2018   F(6)   113 D $ 67.79 7,803 D   Common Stock 02/28/2018   M(1)(7)   906 A $ 0 10,034 I See Footnote (11) Common Stock 02/28/2018   F(8)   402 D $ 67.79 9,632 I See Footnote (11) Common Stock 02/28/2018   F(9)   288 D $ 67.79 9,344 I See Footnote (11) Common Stock 02/28/2018   F(10)   380 D $ 67.79 8,964 I See Footnote (11)

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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 (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

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 (Month/Day/Year)

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

(12)

02/28/2018

M(1)

2,123

(2)

(2)

Common Stock

2,123

$ 0

4,248

D

Restricted Stock Units

(12)

02/28/2018

M(1)

906

(7)

(7)

Common Stock

906

$ 0

1,814

I

See Footnote (11)

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Gebo Kate P. O. BOX 66100 HDQLD CHICAGO, IL 60666			EVP HR and Labor Relations

Signatures

/s/ Sarah Hagy for Kate Gebo		03/02/2018
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(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 February 18, 2015. The award vests in 1/3 annual installments on February 28, 2016, 2017 and 2018.
(5)	This transaction represents the withholding of shares to pay tax withholding obligations associated with the vesting of the restricted stock award granted on February 17, 2016. The award vests in 1/3 annual installments on February 28, 2017, 2018 and 2019.
(6)	This transaction represents the withholding of shares to pay tax withholding obligations associated with the vesting of the restricted stock award granted on November 16, 2016. The award vests in 1/3 annual installments on February 28, 2017, 2018 and 2019.
(7)	The RSUs were granted to the spouse of the reporting person on February 23, 2017 and vest in 1/3 annual installments on February 28, 2018, 2019 and 2020.
(8)	This transaction represents the withholding of shares to pay tax withholding obligations associated with the vesting the RSU award granted to the spouse of the reporting person on February 23, 2017.
(9)	This transaction represents the withholding of shares to pay tax withholding obligations associated with the vesting of the restricted stock award granted to the spouse of the reporting person on February 18, 2015. The award vests in 1/3 annual installments on February 28, 2016, 2017 and 2018.
(10)	This transaction represents the withholding of shares to pay tax withholding obligations associated with the vesting of the restricted stock award granted to the spouse of the reporting person on February 17, 2016. The award vests in 1/3 annual installments on February 28, 2017, 2018 and 2019.
(11)	By spouse of the reporting person.
(12)	Each RSU represents the economic equivalent of one share of UAL common stock and is settled in shares of UAL common stock upon vesting.

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