CA 1490 then SC 7963 at Beijing
Dazhou → Beijing → Hangzhou
Timetable, Beijing time
14:40CA 1490 from Dazhou at the gate
18:35SC 7963 to Hangzhou leaves the gate
3 h 55 apart on the timetable
The last days
CA 1490 and SC 7963 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.