AA 5572 then AA 5502 at Charlotte
Lexington → Charlotte → Allentown
Timetable, Charlotte time
15:02AA 5572 from Lexington at the gate
14:55AA 5502 to Allentown leaves the gate
23 h 53 apart on the timetable, overnight
AA 5502 leaves 23 h 53 after AA 5572 arrives on the timetable: more than half a day, so not a connection we count.