AC 3338 then IB 4975 at San Francisco
Portland (Oregon) → San Francisco → New York JFK
Timetable, San Francisco time
15:15AC 3338 from Portland (Oregon) at the gatealso VA 8585, NZ 9358
12:08IB 4975 to New York JFK leaves the gate
20 h 53 apart on the timetable, overnight
IB 4975 leaves 20 h 53 after AC 3338 arrives on the timetable: more than half a day, so not a connection we count.