DL 519 then WN 469 at Denver
Atlanta → Denver → Las Vegas
Timetable, Denver time
18:31DL 519 from Atlanta at the gate
17:20WN 469 to Las Vegas leaves the gate
22 h 49 apart on the timetable, overnight
WN 469 leaves 22 h 49 after DL 519 arrives on the timetable: more than half a day, so not a connection we count.