AV 6985 then UA 3913 at San Francisco
Vancouver → San Francisco → Washington
Timetable, San Francisco time
16:06AV 6985 from Vancouver at the gate
16:00UA 3913 to Washington leaves the gate
23 h 54 apart on the timetable, overnight
UA 3913 leaves 23 h 54 after AV 6985 arrives on the timetable: more than half a day, so not a connection we count.