
The United States is known for its large airports, with US airports regularly appearing among the world's largest. When comparing the airports in Houston and Austin, it is clear that Houston's main airport, George Bush Intercontinental Airport (IAH), is significantly larger. Covering 40.46 km² (15.6 square miles) of land, it served more than 46 million passengers in 2023, with 399,805 aircraft movements. On the other hand, Austin's airport is smaller and located outside the city, making it easier to navigate with less traffic. While Houston's airport has five terminals, Austin's airport has a simpler layout with two-lane roads leading to Highway 71.
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What You'll Learn

George Bush Intercontinental Airport (IAH) is Houston's main airport
The airport was initially named Houston Intercontinental Airport when it opened in 1969 but was renamed in 1997 to honour George H.W. Bush, the 41st president of the United States and a Houston resident. It is also commonly referred to as Houston International Airport or George Bush International Airport.
IAH offers scheduled flights to numerous domestic and international destinations covering five continents. It is accessible by road via the Hardy Toll Road expressway and public transportation through the Metropolitan Transit Authority of Harris County, Texas (METRO), which provides bus services to the airport.
In 2020, the airport commenced a $1.3 billion capital improvement program called the IAH Terminal Redevelopment Program (ITRP). The project includes the construction of the Mickey Leland International Terminal (MLIT), which will consolidate Terminals D and E into a centralised terminal. The ITRP is expected to be completed by late 2024 or early 2025, with future expansion plans aiming to accommodate 33 million international passengers annually.
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IAH is 23 miles from Houston and covers 40.46km²
George Bush Intercontinental Airport, commonly abbreviated to IAH, is Houston's main airport. It is located 23 miles (37 km) north of Downtown Houston, between Interstate 45 and Interstate 69/U.S. Highway 59. The airport covers 40.46 km² (15.6 square miles) of land and has five runways. IAH served more than 46 million passengers in 2023, with 399,805 aircraft movements, making it the second-busiest airport in Texas as of 2021 and the 15th busiest in the United States.
IAH was initially named Houston Intercontinental Airport when it opened in 1969. In 1997, it was renamed in honour of George H.W. Bush, the 41st president of the United States and a resident of Houston. The airport is also commonly referred to as Houston International Airport or George Bush International Airport.
IAH is a significant hub for United Airlines and previously served as a hub for Continental Airlines and Texas International Airlines. The airport features five terminals named A through E, which are accessible through three main entrances. Terminal A primarily handles domestic and Canadian flights that are not operated by United Airlines and is divided into two concourses, North and South, each with ten gates. Terminal D, also known as the Mickey Leland Terminal, serves as an international arrivals location with common-use gates, check-in desks, and facilities for over 30 airlines.
IAH is easily accessible from Houston, with direct connections to the Hardy Toll Road expressway. However, travellers should be aware that the airport may experience traffic congestion due to its proximity to the city. For travellers seeking a simpler driving experience, Austin Airport, located outside the city, offers a less congested alternative with two-lane roads and a more straightforward route to nearby destinations.
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IAH is United Airlines' second-largest hub in the US
Houston's George Bush Intercontinental Airport (IAH) is United Airlines' second-largest hub in the United States. It is located about 23 miles (37 km) north of Downtown Houston and serves the Greater Houston metropolitan area. IAH is owned by the City of Houston and covers 40.46 km² (15.6 square miles) of land. The airport has five terminals named A-E, accessible through three main entrances, and an on-site Marriott Hotel between Terminals B and C.
IAH is a major hub for United Airlines, with the airline dominating the airport's passenger market with a 58.7% market share. The airport serves as the center of United's Latin American operations, with flights traversing both oceans and continents. IAH is also the busiest airport in Texas for international passenger traffic, having served more than 46 million passengers in 2023, with 399,805 aircraft movements.
The history of IAH dates back to its opening in 1969, when it was initially named Houston Intercontinental Airport. It was renamed in 1997 to honour George H.W. Bush, the 41st President of the United States and a resident of Houston. Over the years, IAH has expanded with the addition of new terminals and increased flight destinations.
IAH is known for its extensive flight connections, serving 180 destinations with 26 airlines, nearly 70 of which are outside the United States. The airport has a strong presence in Latin America and became the first airport in North America to offer nonstop flights to every inhabited continent in 2017. This status was briefly lost but regained in 2019 with new routes to Africa.
Compared to Austin's airport, IAH is significantly larger and busier. While Austin's airport is praised for its ease of navigation and lack of traffic, IAH offers a wider range of flight options and serves as a crucial hub for United Airlines.
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Austin airport is outside the city, with two-lane roads and little traffic
The Austin-Bergstrom International Airport is located outside the city, and travellers can easily access it via two-lane roads with minimal traffic. In contrast, Houston's airports, IAH and Hobby, are situated within the city and are known for their congested freeways.
When arriving at Austin airport, you will find yourself on a straightforward roadway that leads to Highway 71. From there, you can seamlessly navigate to Bastrop and connect to Texas 21, which takes you to Bryan/College Station. The roads around Austin Airport are generally calmer and more forgiving, making them ideal for those unfamiliar with the area or nervous about driving at night.
The absence of heavy traffic around Austin Airport is a significant advantage, especially when compared to the bustling highways of Houston. While Austin's routes may be considered "back roads," they offer a more relaxed driving experience. The simplicity of navigating through Austin's roads makes it a preferred choice for many travellers, including those heading to College Station.
In contrast, Houston's airports are known for their proximity to complex freeway systems. The massive scale of the city and the fast-paced nature of its traffic can be daunting for newcomers. The drive from Houston's airports to College Station involves navigating through a network of freeways, which can be challenging for those who are not accustomed to such an environment.
Austin's airport offers a tranquil alternative to the bustling atmosphere of Houston's airports. With its location outside the city and well-connected two-lane roads, travellers can avoid the stress of heavy traffic and complex freeway systems. This makes Austin Airport an ideal choice for those seeking a more relaxed journey, especially if they are unfamiliar with the area or prefer a more straightforward driving experience.
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Hobby Airport is another airport in Houston
Hobby Airport, officially known as William P. Hobby Airport, is another airport in Houston, Texas. It is located approximately 11 miles southeast of downtown Houston. The airport covers 1,304 acres (528 hectares) and has three runways.
Hobby Airport first opened in June 1927 as a private landing field in a 600-acre pasture known as W.T. Carter Field. In the 1930s, it was served by Braniff International Airways and Eastern Air Lines. The site was acquired by the city of Houston in 1937 and was named Houston Municipal Airport. The following year, it was renamed Howard R. Hughes Airport after Howard Hughes, who was responsible for several improvements to the airport, including the construction of its first control tower.
Over the years, Hobby Airport has undergone several changes and expansions. In 1961, Delta introduced nonstop flights to New York City, and other airlines began offering nonstop services to various destinations across the United States. In 1966, Braniff operated flights in collaboration with Pan American World Airways (Pan Am) and United Airlines, offering daily services to London, England, and Frankfurt, Germany.
Today, Hobby Airport is served by seven airlines, reaching over 70 destinations worldwide. The airport has a variety of transportation options and amenities for passengers, including restaurants, retail stores, and spa services. Hobby Airport was also the first 5-Star Airport in North America, as rated by Skytrax in 2022.
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Frequently asked questions
Houston's main airport, George Bush Intercontinental Airport (IAH), is located across 40.46 km² (15.6 square miles) of land. Meanwhile, Austin's airport is located outside of the city and does not seem to have a specified land area. Therefore, Houston's airport is bigger in terms of land area.
George Bush Intercontinental Airport (IAH) served more than 46 million passengers in 2023. Unfortunately, I could not find information on the number of passengers served by Austin's airport.
Austin's airport is easier to navigate and drive to because it is located outside the city, so there is little to no traffic. The roads are two-lane roads that may seem like backroads. In contrast, Houston's airports, IAH and Hobby, have traffic problems and complex freeway systems.
Austin's airport is a better choice for a nervous nighttime driver because it is easier to navigate and has less traffic. While it may be a longer drive, it is a simpler one.











































