AA 5258 then AA 1502 at Charlotte
Lexington → Charlotte → Nashville
Timetable, Charlotte time
20:55AA 5258 from Lexington at the gate
19:50AA 1502 to Nashville leaves the gate
22 h 55 apart on the timetable, overnight
AA 1502 leaves 22 h 55 after AA 5258 arrives on the timetable: more than half a day, so not a connection we count.