"Finnair had planned 40 weekly flights to Japan to five different destinations this summer. Now, the number has shrunk to seven Tokyo flights a week. In addition to Japan, the company has cut back on flights to China and South Korea.

"If you fly from Helsinki to Tokyo, the flight time is currently more than 13 hours, because it circumvents Russian airspace," Tallqvist points out.

That marks an increase of three hours in travel time since the imposition of the Russian ban."
https://yle.fi/news/3-12459210