Air Nostrum is a Spanish regional airline based in Valencia, Spain. With over 75,000 annual flights and 5.2 million passengers, Air Nostrum is, today, considered the leading regional aviation company in Spain. It is also considered one of the most important European regional aviation airlines. Funded by private capital, it operates as part of the Iberia Group under the brand name of Iberia Regional Air Nostrum. It has an annual revenue of over 500 million euros and approximately 1,450 employees.

 The company operates mainly short and medium-range flight operations, niche markets, and PSO (Public Service Obligation) flight routes. At the same time, it provides support for the Iberia airline by covering low passenger demand slots on high air traffic density flight routes