DL 5291 then DL 3188 at Atlanta
Augusta → Atlanta → Miami
Timetable, Atlanta time
06:32DL 5291 from Augusta at the gate
08:28DL 3188 to Miami leaves the gate
1 h 56 apart on the timetable
The last days
DL 5291 and DL 3188 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.