AV 2104 then AA 948 at San Francisco
San Luis Obispo → San Francisco → Chicago O'Hare
Timetable, San Francisco time
15:21AV 2104 from San Luis Obispo at the gate
14:32AA 948 to Chicago O'Hare leaves the gate
23 h 11 apart on the timetable, overnight
AA 948 leaves 23 h 11 after AV 2104 arrives on the timetable: more than half a day, so not a connection we count.