DL 2836 then DL 2718 at Atlanta
Miami → Atlanta → Gulfport
Timetable, Atlanta time
12:44DL 2836 from Miami at the gate
12:43DL 2718 to Gulfport leaves the gate
23 h 59 apart on the timetable, overnight
DL 2718 leaves 23 h 59 after DL 2836 arrives on the timetable: more than half a day, so not a connection we count.