AA 6060 then AA 5389 at Charlotte
Chattanooga → Charlotte → South Bend
Timetable, Charlotte time
16:23AA 6060 from Chattanooga at the gate
08:40AA 5389 to South Bend leaves the gate
16 h 17 apart on the timetable, overnight
AA 5389 leaves 16 h 17 after AA 6060 arrives on the timetable: more than half a day, so not a connection we count.