WN 4970 then DL 719 at Boston
Baltimore → Boston → Washington National
Timetable, Boston time
08:10WN 4970 from Baltimore at the gate
09:37DL 719 to Washington National leaves the gate
1 h 27 apart on the timetable
The last days
WN 4970 and DL 719 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.