DL 4947 then DL 1775 at Atlanta
Allentown → Atlanta → Springfield
Timetable, Atlanta time
08:59DL 4947 from Allentown at the gate
15:40DL 1775 to Springfield leaves the gate
6 h 41 apart on the timetable
The last days
DL 4947 and DL 1775 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.