AA 3873 then WN 1722 at Phoenix
Monterey → Phoenix → Las Vegas
Timetable, Phoenix time
19:07AA 3873 from Monterey at the gate
18:20WN 1722 to Las Vegas leaves the gate
23 h 13 apart on the timetable, overnight
WN 1722 leaves 23 h 13 after AA 3873 arrives on the timetable: more than half a day, so not a connection we count.