AA 2615 then AA 4342 at Boston
Philadelphia → Boston → Washington National
Timetable, Boston time
12:20AA 2615 from Philadelphia at the gate
14:25AA 4342 to Washington National leaves the gate
2 h 05 apart on the timetable
The last days
AA 2615 and AA 4342 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.