AA 5220 then AA 2131 at Charlotte
Washington → Charlotte → Saint Martin
Timetable, Charlotte time
13:25AA 5220 from Washington at the gate
08:25AA 2131 to Saint Martin leaves the gate
19 h apart on the timetable, overnight
AA 2131 leaves 19 h after AA 5220 arrives on the timetable: more than half a day, so not a connection we count.