AA 5984 then AA 5335 at Charlotte
Florence → Charlotte → South Bend
Timetable, Charlotte time
16:44AA 5984 from Florence at the gate
15:48AA 5335 to South Bend leaves the gate
23 h 04 apart on the timetable, overnight
AA 5335 leaves 23 h 04 after AA 5984 arrives on the timetable: more than half a day, so not a connection we count.