WN 4388 then WN 1571 at Phoenix
Kansas City → Phoenix → Las Vegas
Timetable, Phoenix time
20:05WN 4388 from Kansas City at the gate
19:35WN 1571 to Las Vegas leaves the gate
23 h 30 apart on the timetable, overnight
WN 1571 leaves 23 h 30 after WN 4388 arrives on the timetable: more than half a day, so not a connection we count.