DL 257 then DL 2426 at Boston
Amsterdam → Boston → Washington National
Timetable, Boston time
14:13DL 257 from Amsterdam at the gate
18:00DL 2426 to Washington National leaves the gate
3 h 47 apart on the timetable
Today
From the airport’s board at 09:49 Boston time
14:21DL 257 expected at the gate8 min late
18:00DL 2426 due to leave, no estimate yet
3 h 39 between the gates, on these times
The last days
DL 257 and DL 2426 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.