AA 1284 then WN 1666 at Denver
Charlotte → Denver → Las Vegas
Timetable, Denver time
20:22AA 1284 from Charlotte at the gate
19:50WN 1666 to Las Vegas leaves the gate
23 h 28 apart on the timetable, overnight
WN 1666 leaves 23 h 28 after AA 1284 arrives on the timetable: more than half a day, so not a connection we count.