AA 5984 then AA 3178 at Charlotte
Florence → Charlotte → Chicago O'Hare
Timetable, Charlotte time
16:44AA 5984 from Florence at the gate
16:16AA 3178 to Chicago O'Hare leaves the gate
23 h 32 apart on the timetable, overnight
AA 3178 leaves 23 h 32 after AA 5984 arrives on the timetable: more than half a day, so not a connection we count.