AA 2407 then AA 2387 at San Francisco
Philadelphia → San Francisco → Dallas-Fort Worth
Timetable, San Francisco time
11:40AA 2407 from Philadelphia at the gate
14:01AA 2387 to Dallas-Fort Worth leaves the gatealso QF 3158, IB 4166, G3 6173, RJ 7624
2 h 21 apart on the timetable
The last days
AA 2407 and AA 2387 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.