CM 2458 then UA 751 at San Francisco
Sacramento → San Francisco → Las Vegas
Timetable, San Francisco time
18:57CM 2458 from Sacramento at the gate
16:50UA 751 to Las Vegas leaves the gatealso AC 4104, EK 6366, VA 8191, NZ 9226
21 h 53 apart on the timetable, overnight
UA 751 leaves 21 h 53 after CM 2458 arrives on the timetable: more than half a day, so not a connection we count.