AA 6102 then AA 5543 at Charlotte
Harrisburg → Charlotte → Pittsburgh
Timetable, Charlotte time
17:19AA 6102 from Harrisburg at the gate
08:35AA 5543 to Pittsburgh leaves the gate
15 h 16 apart on the timetable, overnight
AA 5543 leaves 15 h 16 after AA 6102 arrives on the timetable: more than half a day, so not a connection we count.