AA 3104 then AA 5543 at Charlotte
Miami → Charlotte → Pittsburgh
Timetable, Charlotte time
16:21AA 3104 from Miami at the gate
08:35AA 5543 to Pittsburgh leaves the gate
16 h 14 apart on the timetable, overnight
AA 5543 leaves 16 h 14 after AA 3104 arrives on the timetable: more than half a day, so not a connection we count.