Korean Air Lines said it will extend the suspension of its Russian routes until any new positive development happens in the Russia-Ukraine war.

Korean Air suspended the operation of passenger jets to Moscow and Vladivostok in March due to safety concerns over Russia’s invasion of Ukraine.

The carrier said flights on some routes from Incheon to Europe and the United States currently take a detour to avoid the Russian and Ukraine airspace. Affected routes include the routes to London, Paris, Amsterdam, Frankfurt, New York, Atlanta, Chicago, Washington, Boston and Toronto. Flights to the cities take up to three hours longer.

Vietnam Airlines also announced the suspension of the operation of routes between Hanoi and Moscow from March 25, 2022, until further notice.