DL 3199 then DL 1005 at Atlanta
Gulfport → Atlanta → Detroit
Timetable, Atlanta time
12:25DL 3199 from Gulfport at the gate
08:31DL 1005 to Detroit leaves the gate
20 h 06 apart on the timetable, overnight
DL 1005 leaves 20 h 06 after DL 3199 arrives on the timetable: more than half a day, so not a connection we count.