AA 1235 then AA 5156 at Charlotte
Syracuse → Charlotte → Allentown
Timetable, Charlotte time
09:23AA 1235 from Syracuse at the gate
09:20AA 5156 to Allentown leaves the gate
23 h 57 apart on the timetable, overnight
AA 5156 leaves 23 h 57 after AA 1235 arrives on the timetable: more than half a day, so not a connection we count.