DL 5291 then DL 5505 at Atlanta
Augusta → Atlanta → Mobile
Timetable, Atlanta time
06:32DL 5291 from Augusta at the gate
11:26DL 5505 to Mobile leaves the gate
4 h 54 apart on the timetable
The last days
DL 5291 and DL 5505 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.