TK 9588 then AF 8607 at San Francisco
Portland (Oregon) → San Francisco → New York JFK
Timetable, San Francisco time
15:15TK 9588 from Portland (Oregon) at the gate
11:45AF 8607 to New York JFK leaves the gate
20 h 30 apart on the timetable, overnight
AF 8607 leaves 20 h 30 after TK 9588 arrives on the timetable: more than half a day, so not a connection we count.