CM 2458 then UA 1799 at San Francisco
Sacramento → San Francisco → Los Angeles
Timetable, San Francisco time
20:00CM 2458 from Sacramento at the gate
18:55UA 1799 to Los Angeles leaves the gatealso VA 8048, NZ 9255
22 h 55 apart on the timetable, overnight
UA 1799 leaves 22 h 55 after CM 2458 arrives on the timetable: more than half a day, so not a connection we count.