AA 1391 then AA 6435 at Phoenix
Philadelphia → Phoenix → Albuquerque
Timetable, Phoenix time
10:29AA 1391 from Philadelphia at the gate
21:56AA 6435 to Albuquerque leaves the gate
11 h 27 apart on the timetable
The last days
AA 1391 and AA 6435 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.