WN 3864 then WN 1571 at Phoenix
San Diego → Phoenix → Las Vegas
Timetable, Phoenix time
19:40WN 3864 from San Diego at the gate
19:35WN 1571 to Las Vegas leaves the gate
23 h 55 apart on the timetable, overnight
WN 1571 leaves 23 h 55 after WN 3864 arrives on the timetable: more than half a day, so not a connection we count.