DL 3723 then DL 2168 at Atlanta
North Eleuthera → Atlanta → Key West
Timetable, Atlanta time
15:30DL 3723 from North Eleuthera at the gate
15:20DL 2168 to Key West leaves the gate
23 h 50 apart on the timetable, overnight
DL 2168 leaves 23 h 50 after DL 3723 arrives on the timetable: more than half a day, so not a connection we count.