CM 2326 then CM 1449 at San Francisco
Seattle → San Francisco → Eugene
Timetable, San Francisco time
21:50CM 2326 from Seattle at the gate
21:13CM 1449 to Eugene leaves the gatealso UA 1508
23 h 23 apart on the timetable, overnight
CM 1449 leaves 23 h 23 after CM 2326 arrives on the timetable: more than half a day, so not a connection we count.