AA 736 then AA 6006 at Charlotte
Toronto → Charlotte → Huntsville
Timetable, Charlotte time
09:28AA 736 from Toronto at the gate
09:20AA 6006 to Huntsville leaves the gate
23 h 52 apart on the timetable, overnight
AA 6006 leaves 23 h 52 after AA 736 arrives on the timetable: more than half a day, so not a connection we count.