AA 5572 then AA 2566 at Charlotte
Lexington → Charlotte → Las Vegas
Timetable, Charlotte time
15:02AA 5572 from Lexington at the gate
13:54AA 2566 to Las Vegas leaves the gate
22 h 52 apart on the timetable, overnight
AA 2566 leaves 22 h 52 after AA 5572 arrives on the timetable: more than half a day, so not a connection we count.