AA 3705 then AA 2255 at Charlotte
Columbia Regional → Charlotte → Pittsburgh
Timetable, Charlotte time
10:28AA 3705 from Columbia Regional at the gate
08:55AA 2255 to Pittsburgh leaves the gate
22 h 27 apart on the timetable, overnight
AA 2255 leaves 22 h 27 after AA 3705 arrives on the timetable: more than half a day, so not a connection we count.