CA 1292 then JL 999 at Beijing
Urumqi → Beijing → Shanghai Pudong
Timetable, Beijing time
10:40CA 1292 from Urumqi at the gate
15:00JL 999 to Shanghai Pudong leaves the gate
4 h 20 apart on the timetable
The last days
CA 1292 and JL 999 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.