ZH 8906 then CA 3509 at Guangzhou
Yangzhou → Guangzhou → Xi'an
Timetable, Guangzhou time
13:25ZH 8906 from Yangzhou at the gate
21:05CA 3509 to Xi'an leaves the gatealso G5 6071, TV 6527, KY 9161, SC 9191
7 h 40 apart on the timetable
The last days
ZH 8906 and CA 3509 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.