AA 2437 then AA 2735 at Charlotte
Pittsburgh → Charlotte → Saint Martin
Timetable, Charlotte time
09:35AA 2437 from Pittsburgh at the gate
09:30AA 2735 to Saint Martin leaves the gate
23 h 55 apart on the timetable, overnight
AA 2735 leaves 23 h 55 after AA 2437 arrives on the timetable: more than half a day, so not a connection we count.