ZNHYY China Southern Airlines Co Ltd (PK)

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON D.C. 20549

FORM 6-K

Report of Foreign Private Issuer

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

of the Securities Exchange Act of 1934

July 17, 2023

CHINA SOUTHERN AIRLINES COMPANY LIMITED

68 Qi Xin Road

Guangzhou, 510403

People’s Republic of China

(Address of principal executive offices)

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

Form 20-F  ☒             Form 40-F  ☐

China Southern Airlines Company Limited (the “Company”) published the following announcement on July 14, 2023 on the Hong Kong Stock Exchange’s website at:

https://www1.hkexnews.hk/listedco/listconews/sehk/2023/0714/2023071400898.pdf, in relation to the announcement on estimated loss in the results for the first half of 2023.

The announcement in English is included as an exhibit to this Form 6-K.

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.

CHINA SOUTHERN AIRLINES COMPANY LIMITED

Date: July 17, 2023

Exhibit 99.1

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.

(a joint stock limited company incorporated in the People’s Republic of China with limited liability)

(Stock Code: 1055)

ANNOUNCEMENT ON ESTIMATED LOSS IN THE RESULTS FOR

THE FIRST HALF OF 2023

This announcement is made by China Southern Airlines Company Limited (the “Company”) pursuant to Rule 13.09 of the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited (the “Listing Rules”) and the Inside Information Provisions (as defined in the Listing Rules) under Part XIVA of the Securities and Futures Ordinance (Chapter 571 of the Laws of Hong Kong).

1 January 2023 to 30 June 2023 (the “Reporting Period”)

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During the Reporting Period, due to the constant recovery of domestic economy and gradual alleviation of multiple negative impacts, service consumption experienced a noticeable recovery as well as the domestic civil aviation industry. The Company made every effort to seize the opportunities arising from market recovery, enhance cost control, and accelerate and optimize the utilization of idle resources, which contributed to a significant year-on-year decrease in operating loss of the Company. However, as a result of the relatively slow restoration of international flights, oversupply in the domestic market, significant depreciation of RMB and fluctuations in the high oil price, the Company is still under great operating pressure and suffered operating loss in the first half of 2023.

The finance department of the Company is making every effort to prepare the 2023 interim financial report of the Company. There is no other substantial uncertainty which may affect the accuracy of the estimated results of the Company in this announcement.

The data set out above is only preliminary accounting data. The specific and accurate financial data should be those to be officially disclosed in the 2023 interim report of the Company. Investors are advised to pay attention to such investment risks involved.

Guangzhou, the People’s Republic of China

14 July 2023

As at the date of this announcement, the Directors include Ma Xu Lun, Han Wen Sheng and Luo Lai Jun as executive Directors; and Gu Hui Zhong, Guo Wei and Cai Hong Ping as independent non-executive Directors.

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