AA 4923 then WN 149 at Phoenix
Flagstaff → Phoenix → Las Vegas
Timetable, Phoenix time
13:44AA 4923 from Flagstaff at the gate
08:35WN 149 to Las Vegas leaves the gate
18 h 51 apart on the timetable, overnight
WN 149 leaves 18 h 51 after AA 4923 arrives on the timetable: more than half a day, so not a connection we count.