AV 2104 then UA 3771 at San Francisco
San Luis Obispo → San Francisco → Los Angeles
Timetable, San Francisco time
19:56AV 2104 from San Luis Obispo at the gate
17:25UA 3771 to Los Angeles leaves the gate
21 h 29 apart on the timetable, overnight
UA 3771 leaves 21 h 29 after AV 2104 arrives on the timetable: more than half a day, so not a connection we count.