CA 1246 then CA 1421 at Beijing
Hotan → Beijing → Chengdu Shuangliu
Timetable, Beijing time
23:55CA 1246 from Hotan at the gate
08:25CA 1421 to Chengdu Shuangliu leaves the gate
8 h 30 apart on the timetable, overnight
The last days
CA 1246 and CA 1421 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.