AA 978 then AA 5262 at Charlotte
Memphis → Charlotte → Lexington
Timetable, Charlotte time
08:04AA 978 from Memphis at the gate
07:17AA 5262 to Lexington leaves the gate
23 h 13 apart on the timetable, overnight
AA 5262 leaves 23 h 13 after AA 978 arrives on the timetable: more than half a day, so not a connection we count.