DL 2053 then DL 3178 at Atlanta
Detroit → Atlanta → Gulfport
Timetable, Atlanta time
20:24DL 2053 from Detroit at the gate
20:20DL 3178 to Gulfport leaves the gate
23 h 56 apart on the timetable, overnight
DL 3178 leaves 23 h 56 after DL 2053 arrives on the timetable: more than half a day, so not a connection we count.