DL 1990 then AA 2980 at Boston
West Palm Beach → Boston → Miami
Timetable, Boston time
23:11DL 1990 from West Palm Beach at the gate
06:00AA 2980 to Miami leaves the gate
6 h 49 apart on the timetable, overnight
The last days
DL 1990 and AA 2980 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.