DL 732 then DL 2815 at Atlanta
Sarasota → Atlanta → Key West
Timetable, Atlanta time
20:24DL 732 from Sarasota at the gate
18:08DL 2815 to Key West leaves the gate
21 h 44 apart on the timetable, overnight
DL 2815 leaves 21 h 44 after DL 732 arrives on the timetable: more than half a day, so not a connection we count.