CM 1431 then OZ 6303 at San Francisco
Redmond → San Francisco → Chicago O'Hare
Timetable, San Francisco time
21:19CM 1431 from Redmond at the gatealso UA 5534
18:42OZ 6303 to Chicago O'Hare leaves the gate
21 h 23 apart on the timetable, overnight
OZ 6303 leaves 21 h 23 after CM 1431 arrives on the timetable: more than half a day, so not a connection we count.