DL 418 then DL 1472 at Atlanta
Charlotte → Atlanta → Key West
Timetable, Atlanta time
11:11DL 418 from Charlotte at the gate
11:07DL 1472 to Key West leaves the gate
23 h 56 apart on the timetable, overnight
DL 1472 leaves 23 h 56 after DL 418 arrives on the timetable: more than half a day, so not a connection we count.