AV 6975 then UA 755 at San Francisco
Vancouver → San Francisco → Washington
Timetable, San Francisco time
13:51AV 6975 from Vancouver at the gate
12:45UA 755 to Washington leaves the gatealso CA 7313, NZ 9162
22 h 54 apart on the timetable, overnight
UA 755 leaves 22 h 54 after AV 6975 arrives on the timetable: more than half a day, so not a connection we count.