DL 3032 then AA 1368 at Atlanta
Columbia → Atlanta → Miami
Timetable, Atlanta time
19:20DL 3032 from Columbia at the gate
18:54AA 1368 to Miami leaves the gate
23 h 34 apart on the timetable, overnight
AA 1368 leaves 23 h 34 after DL 3032 arrives on the timetable: more than half a day, so not a connection we count.