AA 3863 then AA 2131 at Charlotte
Hilton Head → Charlotte → Saint Martin
Timetable, Charlotte time
12:57AA 3863 from Hilton Head at the gate
08:25AA 2131 to Saint Martin leaves the gate
19 h 28 apart on the timetable, overnight
AA 2131 leaves 19 h 28 after AA 3863 arrives on the timetable: more than half a day, so not a connection we count.