Scandinavian Airlines System, or simply SAS, is a North European airline company, a member of Star Alliance. They provide passenger and cargo transfers across the world. It was formed in 1946 and headquartered in Stockholm. It is the flag carrier of Denmark, Sweden, and Norway. Their hubs are Copenhagen and Oslo Airports, as well as Stockholm Arlanda Airport. With their 180 air ships, they connect Scandinavia with 190+ countries around the world, making traffic of millions of passengers.