AA 2437 then AA 2585 at Charlotte
Pittsburgh → Charlotte → Jacksonville
Timetable, Charlotte time
09:35AA 2437 from Pittsburgh at the gate
08:23AA 2585 to Jacksonville leaves the gate
22 h 48 apart on the timetable, overnight
AA 2585 leaves 22 h 48 after AA 2437 arrives on the timetable: more than half a day, so not a connection we count.