AA 2303 then WN 149 at Phoenix
St Louis → Phoenix → Las Vegas
Timetable, Phoenix time
16:48AA 2303 from St Louis at the gate
08:35WN 149 to Las Vegas leaves the gate
15 h 47 apart on the timetable, overnight
WN 149 leaves 15 h 47 after AA 2303 arrives on the timetable: more than half a day, so not a connection we count.