CA 1298 then CA 813 at Beijing
Tumxuk → Beijing → Xi'an
Timetable, Beijing time
01:35CA 1298 from Tumxuk at the gate
10:00CA 813 to Xi'an leaves the gate
8 h 25 apart on the timetable
The last days
CA 1298 and CA 813 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.