DL 2718 then DL 5377 at Atlanta
Gulfport → Atlanta → Dothan
Timetable, Atlanta time
18:25DL 2718 from Gulfport at the gate
16:29DL 5377 to Dothan leaves the gate
22 h 04 apart on the timetable, overnight
DL 5377 leaves 22 h 04 after DL 2718 arrives on the timetable: more than half a day, so not a connection we count.