6-K

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

May 15, 2017

CHINA SOUTHERN AIRLINES COMPANY LIMITED

Unit 301, 3/F, Office Tower

Guanhao Science Park Phase I

12 Yuyan Street, Luogang District

Guangzhou, PRC 510530

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 x 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¨ Nox

If "Yes" is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b):    N/A    

China Southern Airlines Company Limited (the “Company”) published the following announcement on May 15, 2017 on the Hong Kong Stock Exchange’s website at:

http://www.hkexnews.hk/listedco/listconews/SEHK/2017/0515/LTN20170515571.pdf, in relation to the key operating data for April 2017 of the Company and its subsidiaries to be published on the Shanghai Stock Exchange.

The announcement in English is included as 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

By: /s/ Xie Bing

Name: Xie Bing

Title: Company Secretary

Date: May 15, 2017

EX-99.1

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.

 

ANNOUNCEMENT ON KEY OPERATING DATA

This announcement is made regarding the operating data for April 2017 of the Group to be published on the Shanghai Stock Exchange.

The relevant key operating data was calculated based on the internal statistics of the Group, which may differ from the data disclosed in the relative periodic reports. Investors are hereby reminded of the risks which may result from inappropriate reliance upon or utilization of the relevant information.

This announcement is made regarding the operating data for April 2017 of China Southern Airlines Company Limited (the “Company”) and its subsidiaries (collectively, the “Group”) to be published on the Shanghai Stock Exchange.

In April 2017, passenger capacity (measured by available seat kilometres (“ASK”)) of the Group increased by 7.45% as compared to the same period last year (a year-on-year (“YoY”) basis). Of which, passenger capacity for domestic routes increased by 7.25%, passenger capacity on regional routes decreased by 15.01% and passenger capacity for international routes increased by 9.32%, respectively as compared to the same period last year. Compared to the same period last year, passenger traffic (measured by revenue passenger kilometres (“RPK”)) increased by 8.74%. Of which, passenger traffic for domestic routes increased by 9.44%, passenger traffic on regional routes decreased by 17.16% and passenger traffic on international routes increased by 8.51%, respectively as compared to the same period last year. The passenger load factor was 82.68%, representing an increase of 0.98 percentage point as compared to the same period last year. Of which, the passenger load factor for domestic route increased 1.66 percentage points, passenger load factor for regional and international routes decreased 1.96 percentage points and 0.62 percentage point as compared to the same period last year, respectively. The Group has launched Yinchuan - Zhengzhou - Phuket route (three flights per week) and Guangzhou- Vancouver - Mexico City route (three flights per week) since 10 April 2017, Sanya - Tianjin route (three flights per week) since 11 April 2017, and Fuzhou - Cebu City route (two flights per week) since 18 April 2017.

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In terms of cargo operations, in April 2017, cargo capacity (measured by available tonne kilometers (“ATK”) - Cargo and Mail) increased by 9.69% as compared to the same period last year, and cargo and mail traffic (measured by revenue tonne kilometres (“RTK”) - Cargo and Mail) increased by 16.79% as compared to the same period last year. The cargo load factor was 54.30%, representing an increase of 3.30 percentage points as compared to the same period last year.

In April 2017, the Group had introduced three B737-800 aircraft and one B787-9 aircraft, and had disposed one B737-300 aircraft. As of the end of April 2017, the Group operated a fleet of 710 aircraft with 255 aircraft self-owned, 203 aircraft under finance lease and 252 under operating lease.

KEY OPERATION DATA OF APRIL 2017

	April 2017						Cumulative 2017
Capacity	Amount		Month-on- Month (“MoM”) Change (%)		YoY Change (%)		Amount		YoY Change (%)
RPK (in million)
Domestic		12,829.91		-0.79		9.44		51,621.59		11.70
Regional		227.20		3.78		-17.16		918.63		-21.23
International		5,158.43		-1.38		8.51		21,518.95		13.47
Total		18,215.54		-0.90		8.74		74,059.16		11.63
RTK (in million)
Domestic		1,280.19		-1.07		8.04		5,086.92		10.32
Regional		22.24		3.11		-14.23		87.87		-18.91
International		920.50		-1.79		15.36		3,494.38		16.46
Total		2,222.93		-1.33		10.66		8,669.17		12.30
RTK - Cargo and Mail (in million)
Domestic		140.50		-0.94		-0.65		546.29		1.39
Regional		2.11		-0.49		31.81		7.45		16.50
International		465.02		-1.93		23.27		1,608.50		20.42
Total		607.63		-1.70		16.79		2,162.24		14.95
Passengers carried (in thousand)
Domestic		8,742.23		0.07		8.37		34,641.22		11.12
Regional		184.72		4.67		-9.82		742.95		-14.92
International		1,181.79		-1.42		1.11		5,009.72		7.25
Total		10,108.74		-0.03		7.07		40,393.89		10.01
Cargo and mail carried (in thousand tonnes)
Domestic		86.91		-1.52		-0.01		338.91		1.65
Regional		1.91		1.05		30.44		6.65		14.32
International		52.59		-2.31		21.92		181.99		18.40
Total		141.41		-1.78		7.52		527.55		7.02

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	April 2017						Cumulative 2017
Capacity	Amount		MoM Change (%)		YoY Change (%)		Amount		YoY Change (%)
ASK (in million)
Domestic		15,467.65		-1.41		7.25		62,377.46		7.65
Regional		301.10		-1.37		-15.01		1,245.97		-20.58
International		6,262.25		-4.13		9.32		26,026.84		11.95
Total		22,031.00		-2.20		7.45		89,650.27		8.32
ATK (in million)
Domestic		1,783.41		-1.15		6.44		7,203.90		6.28
Regional		35.17		-1.54		-14.99		146.48		-22.00
International		1,283.29		-1.84		11.72		5,021.75		12.38
Total		3,101.87		-1.44		8.24		12,372.14		8.20
ATK - Cargo and Mail (in million)
Domestic		391.32		-0.22		3.64		1,589.93		1.68
Regional		8.07		-2.09		-14.91		34.35		-26.29
International		719.69		0.03		13.66		2,679.34		12.76
Total		1,119.08		-0.07		9.69		4,303.61		7.96

	April 2017						Cumulative 2017
Load Factor	Figure (%)		MoM Change (Percentage Point)		YoY Change (Percentage Point)		Figure (%)		YoY Change (Percentage Point)
Passenger Load Factor (RPK/ASK)
Domestic		82.95		0.52		1.66		82.76		3.00
Regional		75.46		3.75		-1.96		73.73		-0.61
International		82.37		2.30		-0.62		82.68		1.11
Total		82.68		1.08		0.98		82.61		2.45
Cargo and Mail Load Factor
Domestic		35.90		-0.26		-1.55		34.36		-0.10
Regional		26.18		0.42		9.28		21.68		7.96
International		64.61		-1.29		5.04		60.03		3.82
Total		54.30		-0.89		3.30		50.24		3.06
Overall Load Factor (RTK/ATK)
Domestic		71.78		0.06		1.07		70.61		2.59
Regional		63.23		2.85		0.56		59.98		2.28
International		71.73		0.04		2.26		69.58		2.44
Total		71.66		0.08		1.56		70.07		2.56

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Notes:

1. “RPK(s)” refers to the number of revenue passengers carried multiplied by the kilometers flown;

2. “RTK(s)” refers to the revenue load (passenger and cargo) in tonnes multiplied by the kilometers flown;

3. “RTK(s) - Cargo and Mail” refers to the revenue cargo and mail load in tonnes multiplied by the kilometers flown;

4. “ASK(s)” refers to the number of seats available for sale multiplied by the kilometers flown;

5. “ATK(s)” refers to the number of tonnes of capacity available for transportation multiplied by the kilometers flown;

6. “ATK(s) - Cargo and Mail” refers to the number of tonnes of capacity available for the carriage of cargo and mail multiplied by the kilometers flown;

7. “Passenger Load Factor” refers to RPK expressed as a percentage of ASK;

8. “Cargo and Mail Load Factor” refers to RTK- Cargo and Mail expressed as a percentage of ATK - Cargo and Mail;

9. “Overall Load Factor” refers to RTK expressed as a percentage of ATK.

The key operating data above was calculated based on the internal statistics of the Group, which may differ from the data disclosed in the relative periodic reports. Investors are hereby reminded of the risks which may result from inappropriate reliance upon or utilization of the information given above.

By order of the Board

China Southern Airlines Company Limited

Xie Bing

Company Secretary

Guangzhou, the People’s Republic of China

15 May 2017

As at the date of this announcement, the Directors include Wang Chang Shun, Yuan Xin An and Yang Li Hua as non-executive Directors, Tan Wan Geng, Zhang Zi Fang and Li Shao Bin as executive Directors; and Ning Xiang Dong, Liu Chang Le, Tan Jin Song, Guo Wei and Jiao Shu Ge as independent non-executive Directors.

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