AA 3670 then WN 149 at Phoenix
Houston → Phoenix → Las Vegas
Timetable, Phoenix time
08:39AA 3670 from Houston at the gate
08:35WN 149 to Las Vegas leaves the gate
23 h 56 apart on the timetable, overnight
WN 149 leaves 23 h 56 after AA 3670 arrives on the timetable: more than half a day, so not a connection we count.