AA 9909 then WN 5013 at Phoenix
Salt Lake City → Phoenix → Las Vegas
Timetable, Phoenix time
14:30AA 9909 from Salt Lake City at the gate
14:15WN 5013 to Las Vegas leaves the gate
23 h 45 apart on the timetable, overnight
WN 5013 leaves 23 h 45 after AA 9909 arrives on the timetable: more than half a day, so not a connection we count.