AV 2046 then UA 1031 at San Francisco
Arcata → San Francisco → Houston
Timetable, San Francisco time
20:00AV 2046 from Arcata at the gate
14:30UA 1031 to Houston leaves the gatealso EK 6418, NH 7336, CA 7344, VA 8083, NZ 9196
18 h 30 apart on the timetable, overnight
UA 1031 leaves 18 h 30 after AV 2046 arrives on the timetable: more than half a day, so not a connection we count.