Unalaska Airport

Overview

Tom Madsen (Dutch Harbor) Airport is the main air gateway for Unalaska in the Aleutian Islands of Alaska, serving a remote community where air access is especially important for residents, workers, and visitors. Listed under IATA code DUT and ICAO code PADU, it is classified as a medium airport and sits just 22 feet above sea level, reflecting its coastal setting. For travelers, that means this is less a sprawling hub and more a practical lifeline airport, focused on connecting people to one of the most distinctive and weather-shaped parts of the United States.

What Travelers Should Know

• Airport name: Tom Madsen (Dutch Harbor) Airport
• Location served: Unalaska, United States
• Airport type: medium airport
• Runway: 13/31, 4,500 feet, asphalt, lighted
• Elevation: 22 ft (7 m)
• Time zone: America/Nome

Runway And Operating Conditions

The airport has a single lighted asphalt runway, 13/31, measuring 4,500 feet, which is suitable for regional operations and essential flights serving the area. Because Unalaska is known for fast-changing coastal weather, wind, and low visibility at times, travelers should build flexibility into their plans and monitor flight updates closely. The lighted runway supports operations in challenging northern conditions, but this is still an airport where weather can have a real effect on schedules more often than at large mainland airports.

Why It Matters

For most visitors, DUT is the first step into a dramatic working port town surrounded by rugged landscapes, open water, and a strong maritime identity. The airport’s role is not just transportation convenience but community access, linking Unalaska with the wider Alaska network. If you are planning a trip, it helps to think of this airport as part of the destination experience itself: compact, functional, and shaped by the realities of travel in a remote North Pacific environment.