CM 2458 then NZ 4612 at San Francisco
Sacramento → San Francisco → Vancouver
Timetable, San Francisco time
20:00CM 2458 from Sacramento at the gate
16:55NZ 4612 to Vancouver leaves the gatealso UA 8506
20 h 55 apart on the timetable, overnight
NZ 4612 leaves 20 h 55 after CM 2458 arrives on the timetable: more than half a day, so not a connection we count.