AA 353 then AA 2897 at Miami
Boston → Miami → Washington National
Timetable, Miami time
17:43AA 353 from Boston at the gate
20:20AA 2897 to Washington National leaves the gate
2 h 37 apart on the timetable
The last days
AA 353 and AA 2897 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.