AV 2104 then BA 6664 at San Francisco
San Luis Obispo → San Francisco → Chicago O'Hare
Timetable, San Francisco time
19:56AV 2104 from San Luis Obispo at the gate
13:42BA 6664 to Chicago O'Hare leaves the gate
17 h 46 apart on the timetable, overnight
BA 6664 leaves 17 h 46 after AV 2104 arrives on the timetable: more than half a day, so not a connection we count.