UA 1791 then AV 2056 at San Francisco
San Diego → San Francisco → Portland (Oregon)
Timetable, San Francisco time
11:25UA 1791 from San Diego at the gatealso AC 3742, AZ 4448
08:18AV 2056 to Portland (Oregon) leaves the gate
20 h 53 apart on the timetable, overnight
AV 2056 leaves 20 h 53 after UA 1791 arrives on the timetable: more than half a day, so not a connection we count.