AA 1497 then AA 3091 at Charlotte
Cincinnati → Charlotte → Nashville
Timetable, Charlotte time
12:37AA 1497 from Cincinnati at the gate
11:55AA 3091 to Nashville leaves the gate
23 h 18 apart on the timetable, overnight
AA 3091 leaves 23 h 18 after AA 1497 arrives on the timetable: more than half a day, so not a connection we count.