AS 634 then UA 2279 at San Francisco
Las Vegas → San Francisco → Seattle
Timetable, San Francisco time
17:41AS 634 from Las Vegas at the gatealso QF 3697, FJ 5841, AA 7412, CX 7935, QR 8861
16:17UA 2279 to Seattle leaves the gatealso AZ 4506, OZ 6401, VA 8282, NZ 9406
22 h 36 apart on the timetable, overnight
UA 2279 leaves 22 h 36 after AS 634 arrives on the timetable: more than half a day, so not a connection we count.