AA 517 then AS 753 at San Francisco
Chicago O'Hare → San Francisco → Los Angeles
Timetable, San Francisco time
11:11AA 517 from Chicago O'Hare at the gatealso QF 4687
13:25AS 753 to Los Angeles leaves the gatealso QR 2117
2 h 14 apart on the timetable
The last days
AA 517 and AS 753 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.