AA 2453 then DL 1574 at Boston
Los Angeles → Boston → Washington National
Timetable, Boston time
07:47AA 2453 from Los Angeles at the gate
10:45DL 1574 to Washington National leaves the gate
2 h 58 apart on the timetable
Today
From the airport’s board at 09:21 Boston time
09:50AA 2453 expected at the gate2 h 03 late
12:07DL 1574 expected to leave the gate1 h 22 late
2 h 17 between the gates, on these times
The last days
AA 2453 and DL 1574 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.