CA 8566 then CZ 3516 at Pudong
Guangzhou → Shanghai → Haikou
Timetable, Shanghai time
09:55CA 8566 from Guangzhou at the gate
12:25CZ 3516 to Haikou leaves the gate
2 h 30 apart on the timetable
The last days
CA 8566 and CZ 3516 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.