Xandrios; as mentioned elsewhere KLM intends to fly 30 destinations within Europe on a 1 flight a day schedule; this should include ATH
Have a look into the schedule of the next week and you will see the upcoming schedule. The booking systems are being uploaded currently and should give a better view on upcoming flights by wednesday/thursday. Give it some time!

on Longhaul they expect to fly 25 destinations 2-3 x a week all operated with b 777/787