AA 1831 then AA 5548 at Charlotte
Key West → Charlotte → Jackson (Mississippi)
Timetable, Charlotte time
16:14AA 1831 from Key West at the gate
16:10AA 5548 to Jackson (Mississippi) leaves the gate
23 h 56 apart on the timetable, overnight
AA 5548 leaves 23 h 56 after AA 1831 arrives on the timetable: more than half a day, so not a connection we count.