DL 9976 then AA 9928 at Boston
Miami (MIA) → Boston → New York LaGuardia
Timetable, Boston time
02:50DL 9976 from Miami (MIA) at the gate
06:30AA 9928 to New York LaGuardia leaves the gate
3 h 40 apart on the timetable
The last days
DL 9976 and AA 9928 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.