AC 4683 then KL 5638 at San Francisco
Spokane → San Francisco → New York JFK
Timetable, San Francisco time
09:30AC 4683 from Spokane at the gate
22:25KL 5638 to New York JFK leaves the gate
12 h 55 apart on the timetable
KL 5638 leaves 12 h 55 after AC 4683 arrives on the timetable: more than half a day, so not a connection we count.