CM 1431 then CM 1472 at San Francisco
Redmond → San Francisco → Seattle
Timetable, San Francisco time
21:19CM 1431 from Redmond at the gatealso UA 5534
21:05CM 1472 to Seattle leaves the gate
23 h 46 apart on the timetable, overnight
CM 1472 leaves 23 h 46 after CM 1431 arrives on the timetable: more than half a day, so not a connection we count.