AA 2809 then AA 3216 at Philadelphia
Nashville → Philadelphia → Atlanta
Timetable, Philadelphia time
09:12AA 2809 from Nashville at the gate
15:28AA 3216 to Atlanta leaves the gate
6 h 16 apart on the timetable
The last days
AA 2809 and AA 3216 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.