AA 749 then AA 2131 at Charlotte
Madrid → Charlotte → Saint Martin
Timetable, Charlotte time
16:25AA 749 from Madrid at the gate
08:25AA 2131 to Saint Martin leaves the gate
16 h apart on the timetable, overnight
AA 2131 leaves 16 h after AA 749 arrives on the timetable: more than half a day, so not a connection we count.