WN 4627 then AA 5310 at Charlotte
Nashville → Charlotte → Cincinnati
Timetable, Charlotte time
13:00WN 4627 from Nashville at the gate
12:52AA 5310 to Cincinnati leaves the gate
23 h 52 apart on the timetable, overnight
AA 5310 leaves 23 h 52 after WN 4627 arrives on the timetable: more than half a day, so not a connection we count.