AC 8749 then AA 2562 at Charlotte
Toronto → Charlotte → St Louis
Timetable, Charlotte time
22:00AC 8749 from Toronto at the gate
20:52AA 2562 to St Louis leaves the gate
22 h 52 apart on the timetable, overnight
AA 2562 leaves 22 h 52 after AC 8749 arrives on the timetable: more than half a day, so not a connection we count.