CM 1440 then OZ 6303 at San Francisco
Santa Barbara → San Francisco → Chicago O'Hare
Timetable, San Francisco time
20:00CM 1440 from Santa Barbara at the gate
18:42OZ 6303 to Chicago O'Hare leaves the gate
22 h 42 apart on the timetable, overnight
OZ 6303 leaves 22 h 42 after CM 1440 arrives on the timetable: more than half a day, so not a connection we count.