UA 1264 then AS 303 at San Francisco
Las Vegas → San Francisco → Los Angeles
Timetable, San Francisco time
11:32UA 1264 from Las Vegas at the gatealso AC 3714, AZ 4443, NZ 9240, LH 9415
09:43AS 303 to Los Angeles leaves the gatealso TN 2717, QR 2975, IB 7281
22 h 11 apart on the timetable, overnight
AS 303 leaves 22 h 11 after UA 1264 arrives on the timetable: more than half a day, so not a connection we count.