AA 5198 then AC 8748 at Charlotte
Nashville → Charlotte → Toronto
Timetable, Charlotte time
17:40AA 5198 from Nashville at the gate
17:10AC 8748 to Toronto leaves the gate
23 h 30 apart on the timetable, overnight
AC 8748 leaves 23 h 30 after AA 5198 arrives on the timetable: more than half a day, so not a connection we count.