CM 1431 then UA 573 at San Francisco
Redmond → San Francisco → Denver
Timetable, San Francisco time
21:19CM 1431 from Redmond at the gatealso UA 5534
20:23UA 573 to Denver leaves the gatealso AC 4081
23 h 04 apart on the timetable, overnight
UA 573 leaves 23 h 04 after CM 1431 arrives on the timetable: more than half a day, so not a connection we count.