AA 6185 then WN 1722 at Phoenix
Houston → Phoenix → Las Vegas
Timetable, Phoenix time
19:34AA 6185 from Houston at the gate
18:20WN 1722 to Las Vegas leaves the gate
22 h 46 apart on the timetable, overnight
WN 1722 leaves 22 h 46 after AA 6185 arrives on the timetable: more than half a day, so not a connection we count.