AA 5370 then AA 2131 at Charlotte
Richmond → Charlotte → Saint Martin
Timetable, Charlotte time
12:50AA 5370 from Richmond at the gate
08:25AA 2131 to Saint Martin leaves the gate
19 h 35 apart on the timetable, overnight
AA 2131 leaves 19 h 35 after AA 5370 arrives on the timetable: more than half a day, so not a connection we count.