AV 2046 then UA 1271 at San Francisco
Arcata → San Francisco → Mexico City
Timetable, San Francisco time
20:00AV 2046 from Arcata at the gate
10:45UA 1271 to Mexico City leaves the gatealso AC 3479, NZ 9821
14 h 45 apart on the timetable, overnight
UA 1271 leaves 14 h 45 after AV 2046 arrives on the timetable: more than half a day, so not a connection we count.