DL 570 then DL 2718 at Atlanta
San Francisco → Atlanta → Gulfport
Timetable, Atlanta time
13:32DL 570 from San Francisco at the gate
12:43DL 2718 to Gulfport leaves the gate
23 h 11 apart on the timetable, overnight
DL 2718 leaves 23 h 11 after DL 570 arrives on the timetable: more than half a day, so not a connection we count.