DM 2310 then AC 7028 at Newark
Santo Domingo → New York → Washington
Timetable, New York time
09:30DM 2310 from Santo Domingo at the gatealso W1 4170
13:49AC 7028 to Washington leaves the gate
4 h 19 apart on the timetable
The last days
DM 2310 and AC 7028 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.