Sunan has two runways, the largest of which (01/19) is used mainly for international flights. The second runway (17/35) is used for domestic and civil flights. The airport's hours of operation are from 06:00 to 22:00 in the summer and 07:00 to 21:00 in the winter.
The airport is the main hub of Air Koryo, which is also the only airline serving the airport on a regular basis. In 2000, Aeroflot discontinued its weekly Moscow flight due to poor loads. The last scheduled international airline to pull out of the airport is China Southern Airlines, which offered scheduled charter flights to and from Beijing during the peak season only, but announced it would permanently pull its flights in November2006. In April 2008, Air China has restablished service to Beijing, 3 days per week. Mandarin Airlines and Far Eastern Air Transport do, however, offer group tour chartered flights between Taipei and Pyongyang during summer (June to August). Korean Air and Asiana Airlines also provide chartered flight services to Incheon, the international airport serving Seoul, and Yangyang on the east coast of South Korea from Pyongyang. These flights are used by Korean family members visiting divided family across the border.
Air Koryo (Bangkok-Suvarnabhumi, Beijing, Macau, Shenyang, Changchun (planned for 2008), Vladivostok, Khabarovsk, Wonsan, Chongjin, Hamhung, Kaesong, Kanggye, Kilchu, Samjiyeon, Sinuiju
Charter flights
Charter flights are operated by Air Koryo and can be hired by touris groups for additional flights to tourist destinations like Samjiyeon and Baekdu-san. The charter flights are usualy operated by An-24's or Tu-134, if in need of a higher capacity the Tu-154 is used.
Modernization
Air Koryo along with the goverment of North Korea have started to modernize North Korea's aviation and transportation. Air Koryo is upgrading their fleet and airports (including Sunan, Chongjin, Wonsan, Humhung and Samjiyeon[citation needed]) to western standards to attract more tourists.
Facilities
The airport has a car park, a business centre, disabled facilities, a duty free shop, passenger lounge, a taxi stand, Korea Trade Bank, and several souvenir shops. The airport also has a baggage storage facility; service hours are from 08:00 to 21:00 and the charge is 1.5 Korean Won (KPW) per piece. Air Koryo offer bus fairs to Pyongyang and to Sunnan airport.
The airport's book shop opens at 10:00. The airport's restaurant, bar and the Korea Foreign Trade Bank all operate from 09:00 to 18:00.
