AA 5293 then DL 2815 at Atlanta
Charlotte → Atlanta → Key West
Timetable, Atlanta time
18:09AA 5293 from Charlotte at the gate
18:08DL 2815 to Key West leaves the gate
23 h 59 apart on the timetable, overnight
DL 2815 leaves 23 h 59 after AA 5293 arrives on the timetable: more than half a day, so not a connection we count.