CM 1440 then AA 597 at San Francisco
Santa Barbara → San Francisco → Chicago O'Hare
Timetable, San Francisco time
20:00CM 1440 from Santa Barbara at the gate
17:22AA 597 to Chicago O'Hare leaves the gatealso QF 4712
21 h 22 apart on the timetable, overnight
AA 597 leaves 21 h 22 after CM 1440 arrives on the timetable: more than half a day, so not a connection we count.