AA 6008 then AA 1927 at Charlotte
Roanoke → Charlotte → Las Vegas
Timetable, Charlotte time
07:42AA 6008 from Roanoke at the gate
07:30AA 1927 to Las Vegas leaves the gate
23 h 48 apart on the timetable, overnight
AA 1927 leaves 23 h 48 after AA 6008 arrives on the timetable: more than half a day, so not a connection we count.