AA 5414 then AA 5336 at Philadelphia
Detroit → Philadelphia → Pittsburgh
Timetable, Philadelphia time
07:49AA 5414 from Detroit at the gate
12:09AA 5336 to Pittsburgh leaves the gate
4 h 20 apart on the timetable
The last days
AA 5414 and AA 5336 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.