AS 436 then AA 513 at Boston
Portland (Oregon) → Boston → Washington National
Timetable, Boston time
06:12AS 436 from Portland (Oregon) at the gate
10:18AA 513 to Washington National leaves the gate
4 h 06 apart on the timetable
The last days
AS 436 and AA 513 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.