AV 2046 then UA 2091 at San Francisco
Arcata → San Francisco → Chicago O'Hare
Timetable, San Francisco time
09:13AV 2046 from Arcata at the gate
06:35UA 2091 to Chicago O'Hare leaves the gatealso AC 5366, NZ 9309
21 h 22 apart on the timetable, overnight
UA 2091 leaves 21 h 22 after AV 2046 arrives on the timetable: more than half a day, so not a connection we count.