UA 2818 then CM 1472 at San Francisco
Portland (Oregon) → San Francisco → Seattle
Timetable, San Francisco time
09:08UA 2818 from Portland (Oregon) at the gatealso AC 3341, AZ 4374, VA 8459, NZ 9357
22:35CM 1472 to Seattle leaves the gatealso UA 5579, NZ 9401
13 h 27 apart on the timetable
CM 1472 leaves 13 h 27 after UA 2818 arrives on the timetable: more than half a day, so not a connection we count.