航班起飞40分钟后返航换飞机 国航客服：系航司原因

Core Points - On November 7, a flight from Beijing to Guangzhou (CA1339) returned to Beijing shortly after takeoff due to airline reasons [1] - The flight was scheduled to depart at 12:00 PM and arrive at 3:25 PM, but it actually took off at 12:30 PM and landed at 6:45 PM [1] - The flight reached an altitude of approximately 9,000 meters before descending and returning to Beijing at 1:20 PM, then took off again at 3:49 PM after a delay of about 2 hours and 30 minutes [1] - The flight was operated by a different aircraft, an Airbus A330-343X, as indicated by flight tracking apps [1]