GS 7881 then CA 4518 at Pudong
Tianjin → Shanghai → Chengdu
Timetable, Shanghai time
10:15GS 7881 from Tianjin at the gate
14:00CA 4518 to Chengdu leaves the gate
3 h 45 apart on the timetable
The last days
GS 7881 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.