CM 1431 then UA 406 at San Francisco
Redmond → San Francisco → Las Vegas
Timetable, San Francisco time
21:19CM 1431 from Redmond at the gatealso UA 5534
21:10UA 406 to Las Vegas leaves the gatealso AC 4025, VA 8562, LH 8940, NZ 9229
23 h 51 apart on the timetable, overnight
UA 406 leaves 23 h 51 after CM 1431 arrives on the timetable: more than half a day, so not a connection we count.