AS 528 then KL 5638 at San Francisco
Seattle → San Francisco → New York JFK
Timetable, San Francisco time
10:36AS 528 from Seattle at the gatealso AA 9410
22:55KL 5638 to New York JFK leaves the gate
12 h 19 apart on the timetable
KL 5638 leaves 12 h 19 after AS 528 arrives on the timetable: more than half a day, so not a connection we count.