AA 847 then AA 2131 at Charlotte
Philadelphia → Charlotte → Saint Martin
Timetable, Charlotte time
12:30AA 847 from Philadelphia at the gate
08:25AA 2131 to Saint Martin leaves the gate
19 h 55 apart on the timetable, overnight
AA 2131 leaves 19 h 55 after AA 847 arrives on the timetable: more than half a day, so not a connection we count.