Dear passengers,

  Extra Baggage and Economy class paid seat selection products  are expected to be upgraded and maintained from  00:00 to 04:00 on July 5, 2024.（The ending time of upgration is based on the actual situation） During the upgrade period, the system will suspend service processing. Please wait until the upgrade is complete before proceeding. Please accept our apology for any inconvenience caused to you.

  Thank you for your support and understanding! If you need assistance, please contact the Air China customer service hotline at 95583.