WN 2860 then WN 1722 at Phoenix
Denver → Phoenix → Las Vegas
Timetable, Phoenix time
09:15WN 2860 from Denver at the gate
21:55WN 1722 to Las Vegas leaves the gate
12 h 40 apart on the timetable
WN 1722 leaves 12 h 40 after WN 2860 arrives on the timetable: more than half a day, so not a connection we count.