Colorado's gateway hub connecting the Rocky Mountain region.
Opened
1995
Location
Denver, United States
Denver International Airport (DEN) is the largest airport in the United States by total land area and one of the busiest by passenger traffic, consistently ranking among the top five in North America. Opened in 1995 to replace the aging Stapleton International Airport, DEN serves as a major connecting hub for both domestic and international flights.
The airport is renowned for its distinctive white Teflon-coated fiberglass tensile roof, designed to evoke the snow-capped Rocky Mountains. It sits approximately 25 miles northeast of downtown Denver on a sprawling 53-square-mile campus. DEN handles tens of millions of passengers annually and continues to undergo significant expansion projects to meet growing demand.
Terminals
DEN features one main Jeppesen Terminal connected by underground automated trains to three concourses: Concourse A, Concourse B (the largest), and Concourse C.
Getting to & from
Denver International is connected to downtown Denver via the University of Colorado A Line commuter rail, operated by RTD, with a journey time of approximately 37 minutes.
Airlines here
United Airlines and Southwest Airlines are the dominant carriers at DEN, with United operating a major hub; Frontier Airlines, American Airlines, Delta Air Lines, and numerous others also serve the airport.
Notable facts
›DEN covers approximately 53 square miles, making it the largest airport in the United States by land area.
›The distinctive white tensile roof of Jeppesen Terminal is made of Teflon-coated fiberglass and is an iconic architectural landmark.
›The airport sits at an elevation of 5,431 feet above sea level, one of the highest major airports in the US.
›DEN opened on February 28, 1995, replacing Stapleton International Airport after years of delays and cost overruns.
›The airport is home to a large public art collection, including the famous Blue Mustang sculpture (nicknamed 'Blucifer') by artist Luis Jiménez.
This profile is provided for general information only. Details may be inaccurate or outdated — always verify with the airport's official website before acting on them.
Official contacts sourced from the airport authority. Verified 2026-08-11.
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Passport, Visa & Immigration
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Denver International Airport, often referred to by locals as DIA, is an international airport in the Western United States, primarily serving metropolitan Denver, Colorado, as well as the greater Front Range Urban Corridor.