AA 371 then AA 1620 at Phoenix
Philadelphia → Phoenix → Washington National
Timetable, Phoenix time
21:59AA 371 from Philadelphia at the gate
08:30AA 1620 to Washington National leaves the gate
10 h 31 apart on the timetable, overnight
The last days
AA 371 and AA 1620 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.