Originally Posted by
michael_v
Historically, KLM releases very few award seats and furthermore not all AF/KL award inventory is available to DL. So I would guess that there is just no inventory DL can book.
Edit to add: I am seeing however lots of options with 1-stop in March 2015 for example.
That seems to be the case. No JFK-AMS in C for rest of 2014.
Update: Seems the problem is DL link with KL. Early last week lots of J award end of the year. Middle of last week, nothing. Last night lots of KL J showing up on DL again.