WN 397 then WN 149 at Phoenix
Austin → Phoenix → Las Vegas
Timetable, Phoenix time
09:20WN 397 from Austin at the gate
08:35WN 149 to Las Vegas leaves the gate
23 h 15 apart on the timetable, overnight
WN 149 leaves 23 h 15 after WN 397 arrives on the timetable: more than half a day, so not a connection we count.