TK 9588 then KE 7498 at San Francisco
Portland (Oregon) → San Francisco → New York JFK
Timetable, San Francisco time
15:15TK 9588 from Portland (Oregon) at the gate
11:50KE 7498 to New York JFK leaves the gate
20 h 35 apart on the timetable, overnight
KE 7498 leaves 20 h 35 after TK 9588 arrives on the timetable: more than half a day, so not a connection we count.