WN 1759 then WN 1571 at Phoenix
Denver → Phoenix → Las Vegas
Timetable, Phoenix time
20:15WN 1759 from Denver at the gate
19:35WN 1571 to Las Vegas leaves the gate
23 h 20 apart on the timetable, overnight
WN 1571 leaves 23 h 20 after WN 1759 arrives on the timetable: more than half a day, so not a connection we count.