DL 5334 then AA 5437 at Philadelphia
Detroit → Philadelphia → Washington National
Timetable, Philadelphia time
11:37DL 5334 from Detroit at the gate
15:54AA 5437 to Washington National leaves the gate
4 h 17 apart on the timetable
The last days
DL 5334 and AA 5437 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.
Later flights to Washington National
AA 542719:347 h 57 after DL 5334 on the timetable