EI 135 then DL 878 at Boston
Shannon → Boston → Washington National
Timetable, Boston time
16:15EI 135 from Shannon at the gate
20:05DL 878 to Washington National leaves the gate
3 h 50 apart on the timetable
Today
From the airport’s board at 10:21 Boston time
16:15EI 135 due at the gate, no estimate yet
20:05DL 878 due to leave, no estimate yet
3 h 50 between the gates, on these times
The last days
EI 135 and DL 878 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.