WN 3271 then UA 3906 at San Francisco
Las Vegas → San Francisco → Newark
Timetable, San Francisco time
14:35WN 3271 from Las Vegas at the gate
07:00UA 3906 to Newark leaves the gate
16 h 25 apart on the timetable, overnight
UA 3906 leaves 16 h 25 after WN 3271 arrives on the timetable: more than half a day, so not a connection we count.