DL 441 then DL 2718 at Atlanta
Dallas → Atlanta → Gulfport
Timetable, Atlanta time
13:28DL 441 from Dallas at the gate
12:43DL 2718 to Gulfport leaves the gate
23 h 15 apart on the timetable, overnight
DL 2718 leaves 23 h 15 after DL 441 arrives on the timetable: more than half a day, so not a connection we count.