AA 3188 then AA 2131 at Charlotte
Chicago O'Hare → Charlotte → Saint Martin
Timetable, Charlotte time
19:57AA 3188 from Chicago O'Hare at the gate
08:25AA 2131 to Saint Martin leaves the gate
12 h 28 apart on the timetable, overnight
AA 2131 leaves 12 h 28 after AA 3188 arrives on the timetable: more than half a day, so not a connection we count.