DL 4993 then DL 3178 at Atlanta
Valdosta → Atlanta → Gulfport
Timetable, Atlanta time
20:23DL 4993 from Valdosta at the gate
20:20DL 3178 to Gulfport leaves the gate
23 h 57 apart on the timetable, overnight
DL 3178 leaves 23 h 57 after DL 4993 arrives on the timetable: more than half a day, so not a connection we count.