AA 1831 then AA 6098 at Charlotte
Key West → Charlotte → Greenville-Spartanburg
Timetable, Charlotte time
16:14AA 1831 from Key West at the gate
15:55AA 6098 to Greenville-Spartanburg leaves the gate
23 h 41 apart on the timetable, overnight
AA 6098 leaves 23 h 41 after AA 1831 arrives on the timetable: more than half a day, so not a connection we count.