This means war on the sky

"This reaction of Russia is absolutely incomprehensible," the Austrian Ministry of Foreign Affairs said in the first reaction.
Minister of Foreign Affairs of Austria, Alexander Schallenberg, asked Russia for clarification and to stop, as he said, "artificially creating obstacles in free air traffic between Russia and Europe".

Turkish Airlines continues to be biggest contributor to Europe's air traffic

Turkey's national flag carrier Turkish Airlines maintained its leadership in Europe with 729 daily flights on Wednesday, the European Organization for Air Navigation Safety (Eurocontrol) said on May 27.

According to a flight traffic report prepared by Eurocontrol, Turkish Airlines was followed by Air France, Lufthansa and Ryanair with 467, 386 and 368 flights, respectively.

«American Airlines» and «United Airlines» offer five direct flights from USA to Athens

The Minister of Tourism Haris Theocharis met with senior executives of "American Airlines" and "United Airlines" and discussed the opening of Greek tourism for the 2021 season, in the context of his contacts during his trip to the USA.