According to the 2019 study, the most active route at Adolfo Suárez, Madrid–Barajas International Airport, (an airport that serves Madrid in Spain) is the Catalonia Barcelona which has three carriers serving in the location, while the least busy domestic route is AsturiasOviedo and has two carriers serving in the location.
According to the 2019 study, the most active route at Adolfo Suárez, Madrid–Barajas International Airport, (an airport that serves Madrid in Spain) is the Catalonia Barcelona which has three carriers serving in the location, while the least busy domestic route is AsturiasOviedo and has two carriers serving in the location.