DL 1625 then DL 3199 at Atlanta
Memphis → Atlanta → Gulfport
Timetable, Atlanta time
10:30DL 1625 from Memphis at the gate
08:55DL 3199 to Gulfport leaves the gate
22 h 25 apart on the timetable, overnight
DL 3199 leaves 22 h 25 after DL 1625 arrives on the timetable: more than half a day, so not a connection we count.