AA 434 then DL 5673 at Boston
Miami (MIA) → Boston → Pittsburgh
Timetable, Boston time
10:20AA 434 from Miami (MIA) at the gate
16:20DL 5673 to Pittsburgh leaves the gate
6 h apart on the timetable
The last days
AA 434 and DL 5673 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.