AA 1571 then AA 4582 at Boston
New York LaGuardia → Boston → Washington National
Timetable, Boston time
12:44AA 1571 from New York LaGuardia at the gate
14:30AA 4582 to Washington National leaves the gate
1 h 46 apart on the timetable
The last days
AA 1571 and AA 4582 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.