AA 3368 then AA 1962 at Charlotte
Key West → Charlotte → Pittsburgh
Timetable, Charlotte time
21:44AA 3368 from Key West at the gate
21:35AA 1962 to Pittsburgh leaves the gate
23 h 51 apart on the timetable, overnight
AA 1962 leaves 23 h 51 after AA 3368 arrives on the timetable: more than half a day, so not a connection we count.