AV 2046 then UA 3915 at San Francisco
Arcata → San Francisco → Houston
Timetable, San Francisco time
20:00AV 2046 from Arcata at the gate
13:30UA 3915 to Houston leaves the gate
17 h 30 apart on the timetable, overnight
UA 3915 leaves 17 h 30 after AV 2046 arrives on the timetable: more than half a day, so not a connection we count.