AV 2046 then UA 837 at San Francisco
Arcata → San Francisco → Tokyo Narita
Timetable, San Francisco time
20:00AV 2046 from Arcata at the gate
10:45UA 837 to Tokyo Narita leaves the gatealso NH 7013
14 h 45 apart on the timetable, overnight
UA 837 leaves 14 h 45 after AV 2046 arrives on the timetable: more than half a day, so not a connection we count.