CM 2458 then UA 1046 at San Francisco
Sacramento → San Francisco → Eugene
Timetable, San Francisco time
18:57CM 2458 from Sacramento at the gate
16:38UA 1046 to Eugene leaves the gatealso OZ 6324
21 h 41 apart on the timetable, overnight
UA 1046 leaves 21 h 41 after CM 2458 arrives on the timetable: more than half a day, so not a connection we count.