Owais Crawford
Denver International Airport, often referred to as DIA by locals, is one of the busiest airports in the world. In 2023, it was ranked the sixth busiest airport in the world and the third busiest in North America, serving 77.8 million passengers. DIA's ranking has improved over the years, moving up from 19th in 2017 to 16th in 2019. In 2021, it was ranked third globally and nationally, serving over 50 million passengers. DIA's high ranking can be attributed to increased domestic travel demand, new gates, and a higher percentage of connecting passengers. With its vast size, long runways, and strategic location, DIA has solidified its position as a significant global aviation hub.
| Characteristics | Values |
|---|---|
| Airport Name | Denver International Airport (DEN) |
| Common Name | DIA |
| Location | Denver, Colorado, US |
| Area | 33,531 acres (largest in the Western Hemisphere) |
| Runway Length | 16,000 ft (longest in North America) |
| Ranking in the US | Third busiest airport in the US (2021, 2022, 2023) |
| Ranking Worldwide | Sixth busiest airport in the world (2023) |
| Number of Destinations | 231 |
| Number of Airlines | 27 |
| Annual Passengers | 82,358,744 (2024 record) |
| Economic Impact | $47.2 billion annually to Colorado's economy |
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What You'll Learn
- Denver International Airport (DIA) is the sixth busiest airport in the world
- DIA is the third busiest airport in North America
- DIA is the fourth airport in the US to exceed 200 destinations
- DIA is the largest airport in the Western Hemisphere by land area
- DIA is the second-largest airport in the world by land area
Denver International Airport (DIA) is the sixth busiest airport in the world
Denver International Airport (DIA) is a major global aviation hub, ranking sixth in the list of the world's busiest airports in 2023. DIA served 77.8 million passengers in 2023, a 12% increase from the previous year. In 2024, the airport set a new record, serving 82,358,744 passengers, a 5.8% increase over the previous year.
DIA's ranking among the world's busiest airports has been steadily improving over the years. In 2017 and 2018, it was the 19th busiest airport in the world, rising to 16th place in 2019. During the pandemic, DIA's ranking rose sharply, achieving its highest-ever position in 2021 and 2022 as the third busiest airport in the world. This was attributed to the recovery of domestic travel demand and the opening of new gates. DIA's position as a leading global hub was further solidified in 2025 when it retained its position as the sixth busiest airport in the world.
Denver's midcontinent location makes it an ideal airline hub, with DIA serving as a major operating base for several airlines. It is the largest airport in the Western Hemisphere by land area, covering 33,531 acres, and the second-largest in the world. The airport boasts the longest public-use runway in North America, which is 16,000 feet long, allowing large aircraft like the Airbus A380 and Boeing 747-8 to take off despite the airport's high altitude.
DIA is a significant economic driver for Colorado, contributing $47.2 billion annually to the state's economy and employing over 40,000 people, making it the largest employer in the state. The airport offers nonstop service to 231 destinations worldwide and is among the top 20 busiest airports in the world and the top 10 busiest in the United States every year since 2000.
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DIA is the third busiest airport in North America
Denver International Airport (DIA), located in Denver, Colorado, is a major hub for aviation in the United States and beyond. Nicknamed the "Mile High Airport" due to its high elevation, DIA is renowned for its vast size and efficient operations. In terms of land area, DIA spans an impressive 33,531 acres, making it the largest airport in the Western Hemisphere and the second-largest worldwide.
DIA's ranking as the third busiest airport in North America is a testament to its significant role in air transportation. This ranking is based on passenger traffic, with DIA consistently handling a substantial volume of travellers. In 2023, the airport served approximately 77.8 million passengers, a remarkable number that contributed to its high position among North American airports.
Several factors contribute to DIA's high passenger traffic and prominent position. Firstly, Denver's central location in the United States makes it an ideal hub for connecting flights and a convenient stopover point for travellers traversing the country. Additionally, DIA serves as a primary hub for several prominent airlines, including Frontier Airlines, Southwest Airlines, and United Airlines, which contribute a significant number of flights and passengers to the airport's operations.
The airport's efficient infrastructure also plays a role in its high ranking. DIA boasts an impressive six runways, including the longest public-use runway in North America, measuring 16,000 feet in length. This lengthy runway enables the operation of large aircraft, such as the Airbus A380 and Boeing 747-8, even in the challenging high-altitude conditions posed by the airport's elevation.
While DIA's ranking as the third busiest airport in North America is impressive, it is worth noting that it has fluctuated over the years. In 2021 and 2022, DIA achieved its highest ranking, claiming the position of the third busiest airport globally, in addition to its North American ranking. However, in 2023, the airport's ranking shifted slightly, and it was listed as the sixth busiest airport worldwide, retaining its position as the third busiest in the United States. These rankings highlight the dynamic nature of aviation and the ongoing competition between major international airports.
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DIA is the fourth airport in the US to exceed 200 destinations
Denver International Airport, often referred to as DIA by locals, is an international airport in Denver, Colorado, in the Western United States. It is the fourth airport in the US to exceed 200 destinations, serving 27 airlines and providing nonstop service to 231 destinations across the Americas, Europe, and Asia.
DIA is a significant global hub, ranking as the sixth busiest airport in the world in 2023 and the third busiest in the United States. It served approximately 77 million passengers that year, a 12% increase from 2022. In 2024, DIA broke another record, serving 82,358,744 passengers. The airport's busy status is partly due to its location in the middle of the continent, making it an ideal airline hub.
DIA is also notable for its size, covering 33,531 acres, making it the largest airport in the Western Hemisphere and the second-largest worldwide. Its longest runway, 16R/34L, spans 16,000 feet, the longest in North America and the seventh-longest globally. This runway's length enables large aircraft like the Airbus A380 and Boeing 747-8 to take off despite the airport's high altitude of about one mile above sea level.
DIA is a critical economic contributor to Colorado, employing over 40,000 people and generating an estimated $47.2 billion annually for the state's economy. It has been the primary hub for Frontier Airlines and Southwest Airlines and surpassed Chicago's O'Hare International Airport as United Airlines' largest hub in 2024.
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DIA is the largest airport in the Western Hemisphere by land area
Denver International Airport (DEN), often referred to as DIA by locals, is the largest airport in the Western Hemisphere by land area. Covering 33,531 acres (52.4 sq mi; 135.7 km2), it is bigger than the island of Manhattan and is only second in size worldwide to King Fahd International Airport in Dammam, Saudi Arabia.
DIA is located 25 miles (40 km) northeast of Downtown Denver, Colorado, and primarily serves the metropolitan area of the city, as well as the greater Front Range Urban Corridor. The airport is situated on the western edge of the Great Plains, within sight of the Front Range of the Rocky Mountains.
The airport's construction began in 1989 after Adams County voters approved the transfer of 54 square miles (140 km2) of land to Denver for the airport's development. This decision was made to address the limitations of the former Stapleton International Airport, which had little room for expansion and was prone to delays due to close runway proximity.
DIA officially opened in 1995 and has since become a significant aviation hub. As of 2025, it serves 27 airlines, providing nonstop service to 231 destinations across the Americas, Europe, and Asia. In 2023, it was the sixth busiest airport in the world by passenger traffic, serving approximately 77.8 million passengers.
In addition to its vast land area, DIA boasts the longest public-use runway in North America, with Runway 16R/34L stretching 16,000 feet (3.03 mi; 4.88 km) in length. This runway is essential for accommodating large aircraft like the Airbus A380 and Boeing 747-8 during the hot and high conditions often experienced at the airport due to its mile-high elevation.
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DIA is the second-largest airport in the world by land area
Denver International Airport (DIA), located in Denver, Colorado, is a massive aviation hub in the Western United States. Spanning a vast area of 33,531 acres (52.4 square miles or 135.7 square kilometres), it is an expansive airport facility. In terms of land area, DIA is the largest airport in the Western Hemisphere and the second-largest airport worldwide, only surpassed by King Fahd International Airport.
DIA's enormous size is a result of careful planning and construction. Between 1980 and 1983, the Denver Regional Council of Governments scouted for suitable locations north and east of the city. The chosen site for DIA is 25 miles (40 kilometres) northeast of Downtown Denver, and it is actually closer to the City of Aurora, where many airport-related services, such as hotels, are located.
The airport's remote location presented challenges, but its importance to the national transportation system was recognised. The federal government contributed $500 million (equivalent to $1.1 billion in 2023) towards the new airport's construction. Employing 11,000 workers, the construction process resulted in an airport of unprecedented scale.
DIA's massive size offers advantages in terms of runway length. Runway 16R/34L, at 16,000 feet (3.03 miles or 4.88 kilometres), is the longest public-use runway in North America and the seventh-longest globally. This length enables fully laden Airbus A380s and Boeing 747-8s to take off despite the airport's high altitude of approximately one mile above sea level.
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Frequently asked questions
Denver International Airport (DIA) is ranked as the third busiest airport in North America for the fourth consecutive year, according to preliminary Airports Council International (ACI) rankings.
DIA is ranked as the sixth busiest airport in the world. It was ranked third in 2021 and 2022, its highest-ever ranking.
DIA served more than 77 million passengers in 2023, its busiest year on record. In 2024, it set a new record with 82,358,744 passengers served.
