AV 2046 then UA 8177 at San Francisco
Arcata → San Francisco → San Diego
Timetable, San Francisco time
20:00AV 2046 from Arcata at the gate
19:25UA 8177 to San Diego leaves the gate
23 h 25 apart on the timetable, overnight
UA 8177 leaves 23 h 25 after AV 2046 arrives on the timetable: more than half a day, so not a connection we count.