CM 1431 then AC 571 at San Francisco
Redmond → San Francisco → Vancouver
Timetable, San Francisco time
21:19CM 1431 from Redmond at the gatealso UA 5534
16:55AC 571 to Vancouver leaves the gatealso TP 8023
19 h 36 apart on the timetable, overnight
AC 571 leaves 19 h 36 after CM 1431 arrives on the timetable: more than half a day, so not a connection we count.