AA 6064 then AA 2131 at Charlotte
Harrisburg → Charlotte → Saint Martin
Timetable, Charlotte time
13:45AA 6064 from Harrisburg at the gate
08:25AA 2131 to Saint Martin leaves the gate
18 h 40 apart on the timetable, overnight
AA 2131 leaves 18 h 40 after AA 6064 arrives on the timetable: more than half a day, so not a connection we count.