UA 2328 then KL 7451 at San Francisco
Vancouver → San Francisco → New York JFK
Timetable, San Francisco time
09:29UA 2328 from Vancouver at the gatealso AC 5110, NH 7395, NZ 9876
21:35KL 7451 to New York JFK leaves the gatealso MU 8703
12 h 06 apart on the timetable
KL 7451 leaves 12 h 06 after UA 2328 arrives on the timetable: more than half a day, so not a connection we count.