AA 4946 then WN 149 at Phoenix
Salt Lake City → Phoenix → Las Vegas
Timetable, Phoenix time
14:09AA 4946 from Salt Lake City at the gate
08:35WN 149 to Las Vegas leaves the gate
18 h 26 apart on the timetable, overnight
WN 149 leaves 18 h 26 after AA 4946 arrives on the timetable: more than half a day, so not a connection we count.