Air China will open a Beijing to Pyongyang route on March 31 after months of delays, the airline announced on March 4.

The route will use Boeing 737 aircraft. Flight CA121 will leave Beijing at 13:40 on Mondays, Wednesdays and Fridays and arrive in Pyongyang at 16:20 local time. The return flight, CA122, will leave Pyongyang at 17:20 local time and arrive in Beijing at 18:05.

Air China originally planned to launch the new route on January 2 but had to postpone the start of services for operational reasons, the carrier said without elaborating.