Up To 16-Hour Nonstop Flights: Iberia’s 10 New Ultra-Long Routes In 2026

Iberia is not the largest airline serving Spain. Ryanair is, followed by Vueling. However, you’ll not be surprised to learn that Spain’s flag carrier is number one in Madrid. Some 46% of flights are controlled by the carrier, including those operated by its regional unit. It’d have risen to 62% if it acquired Air Europa, as it originally hoped to do.