AV 2183 then UA 1791 at San Francisco
Vancouver → San Francisco → Washington
Timetable, San Francisco time
15:27AV 2183 from Vancouver at the gate
13:50UA 1791 to Washington leaves the gatealso CA 7314, NZ 9163
22 h 23 apart on the timetable, overnight
UA 1791 leaves 22 h 23 after AV 2183 arrives on the timetable: more than half a day, so not a connection we count.