New York has 2 intercontinental airports:
John F Kennedy (JFK)
and
Newark (EWR).
In total there seem to be at least 5 daily flights between
Amsterdam and New York in november 2009.
JFK
KLM seem to have 2 daily flights from
AMS
to JFK in november 2009. Each of those flights is with a Boeing
777.
Northwest seems to be flying a Boeing 757-200 from Amsterdam to
JFK in november 2009.
EWR
A Delta Boeing 767-300ER seems to fly daily between
AMS and EWR.
Also a Continental Boeing 767 flies daily the route between
between
AMS and EWR.
KLM seems to have no flights to this airport in New York in
2009. At least so with their own metal.