AA 2409 then AA 371 at Philadelphia
Miami → Philadelphia → Phoenix
Timetable, Philadelphia time
10:52AA 2409 from Miami at the gate
18:35AA 371 to Phoenix leaves the gate
7 h 43 apart on the timetable
The last days
AA 2409 and AA 371 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.