UA 3468 then AA 2131 at Charlotte
Newark → Charlotte → Saint Martin
Timetable, Charlotte time
12:39UA 3468 from Newark at the gate
08:27AA 2131 to Saint Martin leaves the gate
19 h 48 apart on the timetable, overnight
AA 2131 leaves 19 h 48 after UA 3468 arrives on the timetable: more than half a day, so not a connection we count.