AA 6083 then AA 5543 at Charlotte
Greensboro → Charlotte → Pittsburgh
Timetable, Charlotte time
11:28AA 6083 from Greensboro at the gate
08:35AA 5543 to Pittsburgh leaves the gate
21 h 07 apart on the timetable, overnight
AA 5543 leaves 21 h 07 after AA 6083 arrives on the timetable: more than half a day, so not a connection we count.