AA 2885 then QR 3391 at San Francisco
Chicago O'Hare → San Francisco → San Diego
Timetable, San Francisco time
09:37AA 2885 from Chicago O'Hare at the gatealso QF 3008
10:29QR 3391 to San Diego leaves the gate
52 min apart on the timetable
The last days
AA 2885 and QR 3391 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.