AV 2104 then UA 2639 at San Francisco
San Luis Obispo → San Francisco → Arcata
Timetable, San Francisco time
19:56AV 2104 from San Luis Obispo at the gate
16:20UA 2639 to Arcata leaves the gatealso EK 6490
20 h 24 apart on the timetable, overnight
UA 2639 leaves 20 h 24 after AV 2104 arrives on the timetable: more than half a day, so not a connection we count.