AA 945 then DL 5780 at Boston
Washington National → Boston → Cincinnati
Timetable, Boston time
16:54AA 945 from Washington National at the gate
17:10DL 5780 to Cincinnati leaves the gate
16 min apart on the timetable
The last days
AA 945 and DL 5780 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.