WN 2512 then WN 149 at Phoenix
Dallas → Phoenix → Las Vegas
Timetable, Phoenix time
13:55WN 2512 from Dallas at the gate
08:35WN 149 to Las Vegas leaves the gate
18 h 40 apart on the timetable, overnight
WN 149 leaves 18 h 40 after WN 2512 arrives on the timetable: more than half a day, so not a connection we count.