AA 418 then MQ 4446 at Miami
Memphis → Miami → Nashville
Timetable, Miami time
11:00AA 418 from Memphis at the gate
10:10MQ 4446 to Nashville leaves the gate
23 h 10 apart on the timetable, overnight
MQ 4446 leaves 23 h 10 after AA 418 arrives on the timetable: more than half a day, so not a connection we count.