AA 1831 then AA 5111 at Charlotte
Key West → Charlotte → Manchester
Timetable, Charlotte time
16:14AA 1831 from Key West at the gate
13:57AA 5111 to Manchester leaves the gate
21 h 43 apart on the timetable, overnight
AA 5111 leaves 21 h 43 after AA 1831 arrives on the timetable: more than half a day, so not a connection we count.