AV 6975 then UA 4695 at San Francisco
Vancouver → San Francisco → Arcata
Timetable, San Francisco time
23:01AV 6975 from Vancouver at the gate
20:50UA 4695 to Arcata leaves the gate
21 h 49 apart on the timetable, overnight
UA 4695 leaves 21 h 49 after AV 6975 arrives on the timetable: more than half a day, so not a connection we count.