AV 2183 then UA 2837 at San Francisco
Vancouver → San Francisco → Washington
Timetable, San Francisco time
09:29AV 2183 from Vancouver at the gate
23:20UA 2837 to Washington leaves the gate
13 h 51 apart on the timetable
UA 2837 leaves 13 h 51 after AV 2183 arrives on the timetable: more than half a day, so not a connection we count.