AC 8749 then AA 5893 at Charlotte
Toronto → Charlotte → Florence
Timetable, Charlotte time
22:00AC 8749 from Toronto at the gate
21:55AA 5893 to Florence leaves the gate
23 h 55 apart on the timetable, overnight
AA 5893 leaves 23 h 55 after AC 8749 arrives on the timetable: more than half a day, so not a connection we count.