OZ 6304 then CM 1472 at San Francisco
Chicago O'Hare → San Francisco → Seattle
Timetable, San Francisco time
21:24OZ 6304 from Chicago O'Hare at the gate
21:05CM 1472 to Seattle leaves the gatealso UA 5579
23 h 41 apart on the timetable, overnight
CM 1472 leaves 23 h 41 after OZ 6304 arrives on the timetable: more than half a day, so not a connection we count.