CA 985 then AS 1369 at San Francisco
Beijing → San Francisco → Los Angeles
Timetable, San Francisco time
09:30CA 985 from Beijing at the gate
10:21AS 1369 to Los Angeles leaves the gatealso QR 2135, IB 7281
51 min apart on the timetable
The last days
CA 985 and AS 1369 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.