WN 4079 then WN 577 at Phoenix
Santa Ana → Phoenix → Las Vegas
Timetable, Phoenix time
13:05WN 4079 from Santa Ana at the gate
12:55WN 577 to Las Vegas leaves the gate
23 h 50 apart on the timetable, overnight
WN 577 leaves 23 h 50 after WN 4079 arrives on the timetable: more than half a day, so not a connection we count.