DL 5693 then AA 1198 at Boston
Washington National → Boston → Philadelphia
Timetable, Boston time
13:28DL 5693 from Washington National at the gate
16:00AA 1198 to Philadelphia leaves the gate
2 h 32 apart on the timetable
The last days
DL 5693 and AA 1198 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.