AA 6067 then AC 8746 at Charlotte
Huntsville → Charlotte → Toronto
Timetable, Charlotte time
09:44AA 6067 from Huntsville at the gate
08:55AC 8746 to Toronto leaves the gate
23 h 11 apart on the timetable, overnight
AC 8746 leaves 23 h 11 after AA 6067 arrives on the timetable: more than half a day, so not a connection we count.