WN 4582 then AA 5553 at Charlotte
Nashville → Charlotte → Allentown
Timetable, Charlotte time
22:45WN 4582 from Nashville at the gate
22:30AA 5553 to Allentown leaves the gate
23 h 45 apart on the timetable, overnight
AA 5553 leaves 23 h 45 after WN 4582 arrives on the timetable: more than half a day, so not a connection we count.