AA 1739 then AA 5437 at Philadelphia
St Louis → Philadelphia → Washington National
Timetable, Philadelphia time
14:40AA 1739 from St Louis at the gate
15:54AA 5437 to Washington National leaves the gate
1 h 14 apart on the timetable
The last days
AA 1739 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 542719:344 h 54 after AA 1739 on the timetable