AA 4927 then WN 1722 at Phoenix
Houston → Phoenix → Las Vegas
Timetable, Phoenix time
20:27AA 4927 from Houston at the gate
18:20WN 1722 to Las Vegas leaves the gate
21 h 53 apart on the timetable, overnight
WN 1722 leaves 21 h 53 after AA 4927 arrives on the timetable: more than half a day, so not a connection we count.