Air Nostrum

The airline was established on 23 May 1994 and started operations on 15 December. It used to offer a comprehensive meal service on all scheduled flights.

In early 2008, the airline eliminated its 'regional business class' cabin. The cabin is now split into separate business and economy sections along the lines of other major airlines. Economy passengers can purchase drinks and snacks from an onboard menu.

On February 7, 2012, Air Nostrum presented an ERE (a legal form of workforce reduction and redundancies) that will affect its 1,800 workers for two years, due to the increase in fuel prices and the drop in income. It is estimated that during the two years, 15 Bombardier CRJ200 aircraft will be grounded and most of its routes will be abandoned at a loss.

On March 31, 2014, the airline announced the entry into the company's capital of a group of Valencian businessmen with the participation of the then CEO of the company, Carlos Bertomeu, as well as Antonio Pellicer and José Remohí, owners of the IVI, with an estimated capital of 25 million euros, divided between capital and debt.

In September 2017, it filed an application to operate high speed rail services from Madrid Atocha to Gare de Montpellier-Saint-Roch in Southern France from 5 October 2018 with Class 100 trains leased from Renfe. Approval to operate the services was granted by the Comisión Nacional de los Mercados y la Competencia in September 2018, however never commenced after the lease on the Class 100s was blocked.

On 17 July 2018, Air Nostrum and CityJet of Ireland announced they would merge to form the largest regional airline in Europe, however will remain as separate brands.

In June 2022, it was announced that Air Nostrum had placed a reservation on ten Hybrid Air Vehicles Airlander 10 airships. Introduction to service is scheduled for 2026. In August 2023, Air Nostrum doubled their reservation from ten to twenty HAV Airlander 10 aircraft.

In October 2023, Air Nostrum completed its merger with CityJet. Air Nostrum shareholders acquired a controlling 80% interest in the entity created from the merger, Strategic Alliance of Regional Airlines (SARA).

As of August 2025, Air Nostrum operates the following aircraft:

Incidents and accidents

On 17 January 2003, an Air Nostrum Fokker 50 overran the runway at Melilla Airport and crashed into the perimeter fence resulting in the aircraft splitting into two major parts. Nine passengers were injured.

On 24 January 2006, Air Nostrum flight IB 8665 from Valladolid made a belly landing at Barcelona El Prat Airport. Two of the forty passengers sustained minor injuries while disembarking from the aircraft, a Bombardier CRJ200 with registration EC-IBM. The cause was determined by the Comisión de Investigación de Accidentes e Incidentes de Aviación Civil to be pilot error.