AA 818 then AA 2131 at Charlotte
Austin → Charlotte → Saint Martin
Timetable, Charlotte time
16:47AA 818 from Austin at the gate
08:25AA 2131 to Saint Martin leaves the gate
15 h 38 apart on the timetable, overnight
AA 2131 leaves 15 h 38 after AA 818 arrives on the timetable: more than half a day, so not a connection we count.