AA 5923 then AA 5543 at Charlotte
Greensboro → Charlotte → Pittsburgh
Timetable, Charlotte time
16:52AA 5923 from Greensboro at the gate
08:35AA 5543 to Pittsburgh leaves the gate
15 h 43 apart on the timetable, overnight
AA 5543 leaves 15 h 43 after AA 5923 arrives on the timetable: more than half a day, so not a connection we count.