AA 2622 then AA 1156 at Phoenix
Philadelphia → Phoenix → Nashville
Timetable, Phoenix time
23:59AA 2622 from Philadelphia at the gate
09:38AA 1156 to Nashville leaves the gate
9 h 39 apart on the timetable, overnight
The last days
AA 2622 and AA 1156 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.