AA 9909 then WN 1932 at Phoenix
Salt Lake City → Phoenix → Las Vegas
Timetable, Phoenix time
14:30AA 9909 from Salt Lake City at the gate
11:35WN 1932 to Las Vegas leaves the gate
21 h 05 apart on the timetable, overnight
WN 1932 leaves 21 h 05 after AA 9909 arrives on the timetable: more than half a day, so not a connection we count.