UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

Report of Foreign Private Issuer

Pursuant to Rule 13a-16 or 15d-16

under the Securities Exchange Act of 1934

For the month of November 2018

Commission File Number: 001-14550

China Eastern Airlines Corporation Limited

(Translation of Registrant’s name into English)

Board Secretariat’s Office

5/F, Block A2, Northern District, CEA Building

36 Hongxiang 3rd Road, Minhang District

Shanghai, China 200335

(Address of principal executive offices)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F:

☒  Form 20-F            ☐  Form 40-F

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1):  ☐

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7):  ☐

Indicate by check mark whether the registrant by furnishing the information contained in this Form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934:    ☐  Yes     ☒  No

If “Yes” is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b):   n/a

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, thereunto duly authorized.

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Certain statements contained in this announcement may be regarded as “forward-looking statements” within the meaning of the U.S. Securities Exchange Act of 1934, as amended. Such forward-looking statements involve known and unknown risks, uncertainties and other factors, which may cause the actual performance, financial condition or results of operations of the Company to be materially different from any future performance, financial condition or results of operations implied by such forward-looking statements. Further information regarding these risks, uncertainties and other factors is included in the Company’s filings with the U.S. Securities and Exchange Commission. The forward-looking statements included in this announcement represent the Company’s views as of the date of this announcement. While the Company anticipates that subsequent events and developments may cause the Company’s views to change, the Company specifically disclaims any obligation to update these forward-looking statements, unless required by applicable laws. These forward-looking statements should not be relied upon as representing the Company’s views as of any date subsequent to the date of this announcement.

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Hong Kong Exchanges and Clearing Limited and The Stock Exchange of Hong Kong Limited take no responsibility for the contents of this announcement, make no representation as to its accuracy or completeness and expressly disclaim any liability whatsoever for any loss howsoever arising from or in reliance upon the whole or any part of the contents of this announcement.

INSIDE INFORMATION

OVERSEAS REGULATORY ANNOUNCEMENT

ANNOUNCEMENT ON OPERATING DATA FOR OCTOBER 2018

I. OPERATING DATA

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II. FLEET STRUCTURE

In October 2018, the Company introduced seven aircraft (one B787-9, three B737-800 and three A320NEO) and retired one aircraft (one A330-300). As at the end of October 2018, details of the fleet structure of aircraft of the Company were as follows:

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III. BRIEF EXPLANATION ON OPERATING DATA

In relation to passenger traffic, passenger transportation capacity (measured by available seat- kilometres) of the Company in October 2018 increased by 7.52% year-on-year, passenger traffic volume (measured by revenue passenger-kilometres) increased by 9.85% year-on-year, and passenger load factor increased by 1.74 percentage points to 81.82% year-on-year.

The freight transportation business of the Company only consists of bellyhold space freight operated through passenger aircraft, and the business is under contractual operation by a subsidiary of the controlling shareholder of the Company. Freight load volume in October 2018 increased by 0.37% year-on-year.

In October 2018, the Company launched new routes such as Beijing — Shenzhen, Qionghai — Wuyishan — Jinan, Harbin — Hefei — Nanning, Harbin — Xi’an — Shantou and Hohhot — Nanjing — Zhuhai.

IV. RISK ALERT

The board of directors of the Company hereby reminds investors that the operating data set forth above was compiled in accordance with the Company’s internal information which has not been audited and may be subject to adjustment. The operating data set forth above may differ from the data disclosed in any regular report for the relevant period. The Company reserves its rights to adjust the operating data based on audit findings and the actual situation. The monthly operating data disclosed by the Company only serves as preliminary and periodical data for investors’ reference. Investors are hereby reminded of the investment risks which may result from inappropriate reliance upon or utilization of the information above.

The data set forth above is published on the website of the Shanghai Stock Exchange (www.sse.com.cn), the website of The Stock Exchange of Hong Kong (www.hkex.com.hk) and the column “Investor Relations” under “About China Eastern Airlines — Get to know China Eastern Airlines” on the website of the Company (www.ceair.com).

As at the date of this announcement, the directors of the Company include Liu Shaoyong (Chairman), Ma Xulun (Vice Chairman, President), Lin Wanli (Independent non-executive Director), Li Ruoshan (Independent non-executive Director), Ma Weihua (Independent non-executive Director), Shao Ruiqing (Independent non-executive Director), Cai Hongping (Independent non- executive Director) and Yuan Jun (Employee Representative Director).

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