AA 1878 then AA 2131 at Charlotte
San Francisco → Charlotte → Saint Martin
Timetable, Charlotte time
16:34AA 1878 from San Francisco at the gate
08:27AA 2131 to Saint Martin leaves the gate
15 h 53 apart on the timetable, overnight
AA 2131 leaves 15 h 53 after AA 1878 arrives on the timetable: more than half a day, so not a connection we count.