AA 839 then AA 2074 at Philadelphia
Miami → Philadelphia → Charlotte
Timetable, Philadelphia time
10:54AA 839 from Miami at the gate
17:42AA 2074 to Charlotte leaves the gate
6 h 48 apart on the timetable
The last days
AA 839 and AA 2074 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.