AA 3083 then AA 3317 at Atlanta
Philadelphia → Atlanta → Miami
Timetable, Atlanta time
13:24AA 3083 from Philadelphia at the gate
17:09AA 3317 to Miami leaves the gate
3 h 45 apart on the timetable
The last days
AA 3083 and AA 3317 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.