Summary Dallas - Madrid is Iberia's 5th leading route with nearly 9,330 seats on Airbus A330s. LAX - Barcelona is a 6,000-mile route with Iberia offering only economy and business class. Madrid - Miami tops Iberia's US routes with twice daily operations and over 85,000 ASMs.

Only a few days ago, Iberia - the flag carrier of Spain - celebrated its seventieth anniversary of its flights to New York . On the occasion, a cabin crew member of Iberia, Andrés Iwasaki, performed Frank Sinatra’s song “New York, New York” on the Airbus A350 operated by the carrier. The New York - Madrid route is one of the more popular routes for the carrier, as even as far back as 1979, 2.

2 million passengers had taken Iberia to fly this route. Iberia operates to seven different destinations in the US. But which are the leading routes of this Spanish carrier in terms of the available seat miles (ASMs)? Let’s find out.

The carrier launched transatlantic flights to New York 27 years after it was founded. 5 Dallas - Madrid This route has the second-highest seats per departure Dallas is home to two lovely airports - one of them being the Dallas/ Fort Worth International Airport (DFW) while the other being the Dallas Love Field (DAL). Iberia operates from the second-biggest airport by physical size in Europe, Madrid-Barajas Airport (MAD), to DFW, covering nearly 5000 miles.

With 30 operations from MAD to DFW (and an identical number of operations from DFW to MAD), this route is the fifth-leading r.