The flag carrier of Denmark, Norway and Sweden, Scandinavian Airlines (SK), or SAS, was founded in 1946. It operates from hubs at Copenhagen Airport (CPH), Stockholm Arlanda Airport (ARN) and Oslo Airport, Gardermoen (OSL). A member of the Star Alliance, SAS flies to more than 100 destinations in Europe, the Middle East, Asia and North America. It also has codeshare agreements with about 25 other carriers. The airline's fleet of 139 aircraft includes Airbus, Boeing and Bombardier planes. The planes are configured with either one cabin (SAS Go, which is the company's branded name for Economy Class) or three cabins (SAS Business, SAS Plus, which is Premium Economy Class, and SAS Go).