UA 2278 then CM 1472 at San Francisco
San Diego → San Francisco → Seattle
Timetable, San Francisco time
21:25UA 2278 from San Diego at the gatealso CM 2519, AC 4236, VA 8439
21:05CM 1472 to Seattle leaves the gatealso UA 5579
23 h 40 apart on the timetable, overnight
CM 1472 leaves 23 h 40 after UA 2278 arrives on the timetable: more than half a day, so not a connection we count.