AA 1619 then AA 5543 at Charlotte
Kansas City → Charlotte → Pittsburgh
Timetable, Charlotte time
14:16AA 1619 from Kansas City at the gate
08:35AA 5543 to Pittsburgh leaves the gate
18 h 19 apart on the timetable, overnight
AA 5543 leaves 18 h 19 after AA 1619 arrives on the timetable: more than half a day, so not a connection we count.