WN 1963 then WN 149 at Phoenix
Buffalo → Phoenix → Las Vegas
Timetable, Phoenix time
10:10WN 1963 from Buffalo at the gate
08:35WN 149 to Las Vegas leaves the gate
22 h 25 apart on the timetable, overnight
WN 149 leaves 22 h 25 after WN 1963 arrives on the timetable: more than half a day, so not a connection we count.