DL 2397 then DL 1635 at Atlanta
Newark → Atlanta → Tallahassee
Timetable, Atlanta time
14:10DL 2397 from Newark at the gate
18:40DL 1635 to Tallahassee leaves the gate
4 h 30 apart on the timetable
The last days
DL 2397 and DL 1635 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.