AC 8749 then AA 5912 at Charlotte
Toronto → Charlotte → Tri-Cities
Timetable, Charlotte time
22:00AC 8749 from Toronto at the gate
21:54AA 5912 to Tri-Cities leaves the gate
23 h 54 apart on the timetable, overnight
AA 5912 leaves 23 h 54 after AC 8749 arrives on the timetable: more than half a day, so not a connection we count.