AA 5250 then AA 1803 at Charlotte
Allentown → Charlotte → Wilmington
Timetable, Charlotte time
08:19AA 5250 from Allentown at the gate
20:45AA 1803 to Wilmington leaves the gate
12 h 26 apart on the timetable
AA 1803 leaves 12 h 26 after AA 5250 arrives on the timetable: more than half a day, so not a connection we count.