CM 1131 then OZ 6303 at San Francisco
Eugene → San Francisco → Chicago O'Hare
Timetable, San Francisco time
21:05CM 1131 from Eugene at the gatealso AV 2270
17:10OZ 6303 to Chicago O'Hare leaves the gate
20 h 05 apart on the timetable, overnight
OZ 6303 leaves 20 h 05 after CM 1131 arrives on the timetable: more than half a day, so not a connection we count.