... and further to danimal226s post
http://www.businessweek.com/ap/finan.../D9AP6G3O0.htm
...The company is finalizing a code-sharing agreement with Air France, and is seeking to join the Skyteam global airline alliance , which carries out more than 16,000 flights daily to 169 countries....
I would guess that Skyteam would want to give it a bit of time to see whether the "new" OA is going to make it in the harsh world of aviation (without an umbilical tying it to the Greek taxpayer ) before deciding on whether to accept them .