AA 5310 then AA 5543 at Charlotte
Cincinnati → Charlotte → Pittsburgh
Timetable, Charlotte time
16:44AA 5310 from Cincinnati at the gate
08:35AA 5543 to Pittsburgh leaves the gate
15 h 51 apart on the timetable, overnight
AA 5543 leaves 15 h 51 after AA 5310 arrives on the timetable: more than half a day, so not a connection we count.