DL 390 then DL 2718 at Atlanta
Los Angeles → Atlanta → Gulfport
Timetable, Atlanta time
13:14DL 390 from Los Angeles at the gate
12:43DL 2718 to Gulfport leaves the gate
23 h 29 apart on the timetable, overnight
DL 2718 leaves 23 h 29 after DL 390 arrives on the timetable: more than half a day, so not a connection we count.