OQ 2299 then CZ 30 at Guangzhou
Chongqing → Guangzhou → Shanghai Hongqiao
Timetable, Guangzhou time
14:00OQ 2299 from Chongqing at the gate
21:15CZ 30 to Shanghai Hongqiao leaves the gatealso CA 3278, MU 3863, 3U 4594, ZH 5202, MF 5750
7 h 15 apart on the timetable
The last days
OQ 2299 and CZ 30 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.