DL 4947 then DL 2383 at Atlanta
Allentown → Atlanta → Newark
Timetable, Atlanta time
08:59DL 4947 from Allentown at the gate
13:35DL 2383 to Newark leaves the gate
4 h 36 apart on the timetable
The last days
DL 4947 and DL 2383 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.