AV 6985 then UA 755 at San Francisco
Vancouver → San Francisco → Washington
Timetable, San Francisco time
16:06AV 6985 from Vancouver at the gate
12:45UA 755 to Washington leaves the gatealso CA 7313, NZ 9162
20 h 39 apart on the timetable, overnight
UA 755 leaves 20 h 39 after AV 6985 arrives on the timetable: more than half a day, so not a connection we count.