AA 517 then AF 2636 at San Francisco
Chicago O'Hare → San Francisco → Atlanta
Timetable, San Francisco time
11:11AA 517 from Chicago O'Hare at the gatealso QF 4687
14:05AF 2636 to Atlanta leaves the gate
2 h 54 apart on the timetable
The last days
AA 517 and AF 2636 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.