[dunkelheit]

AFAIU this applies only to Russian airlines because their leased planes can be confiscated abroad. But e.g. Turkish airlines can still fly.

[therusskiy]

you are right, there are still a handful of companies that fly to Russia. For now. But it's going to be close to impossible to buy tickets for them soon due to 90+% of other flights being cancelled and the high demand.

Also, the situation changes literally every hour, these companies may be next. Putin realises that people with money and education are trying to run away and actively fights it.