AA 5638 then AA 5956 at Charlotte
Harrisburg → Charlotte → Columbia Metropolitan
Timetable, Charlotte time
07:45AA 5638 from Harrisburg at the gate
07:25AA 5956 to Columbia Metropolitan leaves the gate
23 h 40 apart on the timetable, overnight
AA 5956 leaves 23 h 40 after AA 5638 arrives on the timetable: more than half a day, so not a connection we count.