UA 3463 then AA 2131 at Charlotte
Newark → Charlotte → Saint Martin
Timetable, Charlotte time
16:52UA 3463 from Newark at the gate
08:27AA 2131 to Saint Martin leaves the gate
15 h 35 apart on the timetable, overnight
AA 2131 leaves 15 h 35 after UA 3463 arrives on the timetable: more than half a day, so not a connection we count.