AA 322 then DM 2311 at Newark
Miami → New York → Santo Domingo
Timetable, New York time
23:00AA 322 from Miami at the gate
11:00DM 2311 to Santo Domingo leaves the gate
12 h apart on the timetable, overnight
The last days
AA 322 and DM 2311 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.