AA 5250 then AA 5389 at Charlotte
Allentown → Charlotte → South Bend
Timetable, Charlotte time
09:44AA 5250 from Allentown at the gate
08:40AA 5389 to South Bend leaves the gate
22 h 56 apart on the timetable, overnight
AA 5389 leaves 22 h 56 after AA 5250 arrives on the timetable: more than half a day, so not a connection we count.