AV 2055 then UA 5480 at San Francisco
Monterey → San Francisco → Arcata
Timetable, San Francisco time
20:51AV 2055 from Monterey at the gatealso UA 4633, LH 8529
16:20UA 5480 to Arcata leaves the gatealso NZ 9319
19 h 29 apart on the timetable, overnight
UA 5480 leaves 19 h 29 after AV 2055 arrives on the timetable: more than half a day, so not a connection we count.