AV 6975 then VA 8380 at San Francisco
Vancouver → San Francisco → Washington
Timetable, San Francisco time
16:06AV 6975 from Vancouver at the gate
12:45VA 8380 to Washington leaves the gate
20 h 39 apart on the timetable, overnight
VA 8380 leaves 20 h 39 after AV 6975 arrives on the timetable: more than half a day, so not a connection we count.