AV 2104 then UA 5763 at San Francisco
San Luis Obispo → San Francisco → Ontario
Timetable, San Francisco time
19:56AV 2104 from San Luis Obispo at the gate
16:19UA 5763 to Ontario leaves the gate
20 h 23 apart on the timetable, overnight
UA 5763 leaves 20 h 23 after AV 2104 arrives on the timetable: more than half a day, so not a connection we count.