AA 2330 then DL 1439 at Boston
Milwaukee → Boston → Tampa
Timetable, Boston time
13:30AA 2330 from Milwaukee at the gate
15:30DL 1439 to Tampa leaves the gate
2 h apart on the timetable
The last days
AA 2330 and DL 1439 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.