AA 1831 then AA 6012 at Charlotte
Key West → Charlotte → Asheville
Timetable, Charlotte time
16:14AA 1831 from Key West at the gate
15:55AA 6012 to Asheville leaves the gate
23 h 41 apart on the timetable, overnight
AA 6012 leaves 23 h 41 after AA 1831 arrives on the timetable: more than half a day, so not a connection we count.