AA 1643 then AA 5658 at Charlotte
Charleston (South Carolina) → Charlotte → Pittsburgh
Timetable, Charlotte time
15:29AA 1643 from Charleston (South Carolina) at the gate
13:20AA 5658 to Pittsburgh leaves the gate
21 h 51 apart on the timetable, overnight
AA 5658 leaves 21 h 51 after AA 1643 arrives on the timetable: more than half a day, so not a connection we count.