UA 1686 then WN 149 at Phoenix
Newark → Phoenix → Las Vegas
Timetable, Phoenix time
13:37UA 1686 from Newark at the gate
08:35WN 149 to Las Vegas leaves the gate
18 h 58 apart on the timetable, overnight
WN 149 leaves 18 h 58 after UA 1686 arrives on the timetable: more than half a day, so not a connection we count.