CA 8566 then CA 4518 at Pudong
Guangzhou → Shanghai → Chengdu
Timetable, Shanghai time
09:55CA 8566 from Guangzhou at the gate
14:00CA 4518 to Chengdu leaves the gate
4 h 05 apart on the timetable
The last days
CA 8566 and CA 4518 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.