AV 2183 then UA 893 at San Francisco
Vancouver → San Francisco → Seoul
Timetable, San Francisco time
15:27AV 2183 from Vancouver at the gate
10:20UA 893 to Seoul leaves the gatealso OZ 6615
18 h 53 apart on the timetable, overnight
UA 893 leaves 18 h 53 after AV 2183 arrives on the timetable: more than half a day, so not a connection we count.