CM 2457 then UA 1434 at San Francisco
Sacramento → San Francisco → Las Vegas
Timetable, San Francisco time
21:41CM 2457 from Sacramento at the gatealso AC 4533, UA 5961, VA 8183
16:40UA 1434 to Las Vegas leaves the gate
18 h 59 apart on the timetable, overnight
UA 1434 leaves 18 h 59 after CM 2457 arrives on the timetable: more than half a day, so not a connection we count.