sorry, i don't. i just went on the nwa.com sight and played around with it. my itinerary is as follows

5/25 jfk-ams 600p-705a
5/26 ams-bcn 945a-1200p
5/29 bcn-ams 1255p-320p (overnight in ams!!)
5/30 ams-jfk 1025a-1225p

i know travel should be done by the first week of june. other than that, i can;t help. maybe its gone or sold out already!!