Announcement on the Suspension of Some Services due to System Upgrade & Maintenance

Dear Passengers,

To adapt to the rapid development of aviation tourism, and bring more high-quality and efficient services to passengers, our company is going to upgrade and maintain system from 01:00 a.m. to 01:30 a.m., April 21, 2019 (Beijing time). Therefore, some services will be suspended during the above period. The details are as follows:

The following services of China Southern Airlines: the query, booking, changes, and cancellations of domestic and international tickets; the query, booking, changes, and cancellations of value-added services; airport self-service check-in, digital check-in (including online, APP, WeChat, SMS, in-town check-in, etc.) will be suspended.

Please make arrangements according to your needs in advance. We apologize for any inconvenience incurred. Thank you for your understanding and support.

China Southern Airlines Company Limited

April 18, 2019