AV 2104 then UA 1791 at San Francisco
San Luis Obispo → San Francisco → Washington
Timetable, San Francisco time
19:56AV 2104 from San Luis Obispo at the gate
13:50UA 1791 to Washington leaves the gatealso CA 7314, NZ 9163
17 h 54 apart on the timetable, overnight
UA 1791 leaves 17 h 54 after AV 2104 arrives on the timetable: more than half a day, so not a connection we count.