WN 2702 then WN 577 at Phoenix
Kansas City → Phoenix → Las Vegas
Timetable, Phoenix time
15:15WN 2702 from Kansas City at the gate
12:55WN 577 to Las Vegas leaves the gate
21 h 40 apart on the timetable, overnight
WN 577 leaves 21 h 40 after WN 2702 arrives on the timetable: more than half a day, so not a connection we count.