CM 1131 then CM 1472 at San Francisco
Eugene → San Francisco → Seattle
Timetable, San Francisco time
21:11CM 1131 from Eugene at the gatealso UA 5757
21:05CM 1472 to Seattle leaves the gatealso UA 5579
23 h 54 apart on the timetable, overnight
CM 1472 leaves 23 h 54 after CM 1131 arrives on the timetable: more than half a day, so not a connection we count.