AA 5585 then AA 5543 at Charlotte
Louisville → Charlotte → Pittsburgh
Timetable, Charlotte time
19:21AA 5585 from Louisville at the gate
08:35AA 5543 to Pittsburgh leaves the gate
13 h 14 apart on the timetable, overnight
AA 5543 leaves 13 h 14 after AA 5585 arrives on the timetable: more than half a day, so not a connection we count.