AA 2290 then AC 1643 at Miami
Nashville → Miami → Toronto
Timetable, Miami time
09:25AA 2290 from Nashville at the gate
07:20AC 1643 to Toronto leaves the gate
21 h 55 apart on the timetable, overnight
AC 1643 leaves 21 h 55 after AA 2290 arrives on the timetable: more than half a day, so not a connection we count.