AA 1831 then AA 2131 at Charlotte
Key West → Charlotte → Saint Martin
Timetable, Charlotte time
16:14AA 1831 from Key West at the gate
08:27AA 2131 to Saint Martin leaves the gate
16 h 13 apart on the timetable, overnight
AA 2131 leaves 16 h 13 after AA 1831 arrives on the timetable: more than half a day, so not a connection we count.