CM 1431 then UA 3906 at San Francisco
Redmond → San Francisco → Chicago O'Hare
Timetable, San Francisco time
21:19CM 1431 from Redmond at the gatealso UA 5534
19:30UA 3906 to Chicago O'Hare leaves the gate
22 h 11 apart on the timetable, overnight
UA 3906 leaves 22 h 11 after CM 1431 arrives on the timetable: more than half a day, so not a connection we count.