AA 839 then AA 5807 at Philadelphia
Miami → Philadelphia → Harrisburg
Timetable, Philadelphia time
10:54AA 839 from Miami at the gate
17:50AA 5807 to Harrisburg leaves the gate
6 h 56 apart on the timetable
The last days
AA 839 and AA 5807 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.