Air Nostrum, Líneas Aéreas del Mediterráneo, S.A., also known as Iberia Regional, is a regional airline based in Valencia, Spain. Air Nostrum is an independent carrier which operates as a franchisee of Iberia Airlines and Binter Canarias. Iberia Regional franchise is a regional partner of Iberia and an affiliate member of the Oneworld airline alliance. Air Nostrum operates 91 domestic and international routes to 51 destinations, and charter flights. Its main base is Valencia Airport, with hubs at Barcelona Airport and Madrid-Barajas Airport.
The airline was established on 23 May 1994 and started operations on December 15. It was founded as Líneas Aéreas del Mediterraneo/Air Nostrum in Valencia. In May 1997, Air Nostrum signed an agreement with Iberia to become an Iberia franchise. It acquired Iberia subsidiary Binter Mediterraneo and absorbed its operations. Following Iberia's merger with Aviaco in 1999, additional domestic and international services were taken over by Air Nostrum. It acquired Dutch airline Denim Air in 1999, but disposed of its interest in the company in 2002. Air Nostrum is owned by Nefinsa (74.8%), Caja Duero (22.2%) and Air Nostrum management (3%) and has 2,040 employees (in March 2007).