Zaragoza Airport — Zaragoza, Spain

Zaragoza Airport, coded ZAZ, stands on the plains of Aragon in northeastern Spain, functioning as both a civilian terminal and an active Spanish Air Force base with fighter squadrons stationed on site. During the Cold War, US Air Force units were based there under bilateral agreements, and the long runway still reflects that military heritage. That same runway length, combined with generally clear weather, makes ZAZ a frequent diversion point for flights unable to land at Madrid during fog or heavy traffic. Passenger traffic stays comparatively modest, dominated by domestic Spanish routes and seasonal charters, but freight operations tell a different story: the airport ranks among Spain's busiest for air cargo, aided by the sprawling PLAZA logistics park built alongside it. Major express carriers route parcels through Zaragoza to reach markets across Spain and southern Europe.