AV 6975 then DL 668 at San Francisco
Vancouver → San Francisco → New York JFK
Timetable, San Francisco time
16:06AV 6975 from Vancouver at the gate
11:45DL 668 to New York JFK leaves the gatealso UX 3429, LY 4440, VS 4762, LA 6225, LA 6342, KL 7014, KL 7260
19 h 39 apart on the timetable, overnight
DL 668 leaves 19 h 39 after AV 6975 arrives on the timetable: more than half a day, so not a connection we count.