FJ 5029 then QR 2005 at San Francisco
Philadelphia → San Francisco → Los Angeles
Timetable, San Francisco time
19:28FJ 5029 from Philadelphia at the gate
20:08QR 2005 to Los Angeles leaves the gate
40 min apart on the timetable
The last days
FJ 5029 and QR 2005 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.