
Portland International Airport, commonly known as PDX, is located in Portland, Oregon. The airport is widely known by its airport code, PDX, which was assigned by the International Air Transport Association (IATA). The 'P' stands for the beginning of the word 'Portland', and the 'D' is for the end of the word. The 'X' is a placeholder added after World War II when there were more airports in the country than two-letter abbreviations. The city of Portland is so fond of its airport that it has even used the airport code as a synonym for the city itself.
| Characteristics | Values |
|---|---|
| Name of Airport | Portland International Airport |
| Abbreviation | PDX |
| Origin of 'PD' | 'P' for Portland and 'D' for the last letter of the city |
| Origin of 'X' | A placeholder after World War II as there were more airports than two-letter abbreviations |
| Popularity | Ranked as America's favourite airport by Travel + Leisure magazine in 2021 and from 2013-2019 |
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What You'll Learn

The airport code PDX is short for Portland, Oregon
The airport is located along the Columbia River in Northeast Portland, about 9 miles (14.5 km) northeast of downtown. It is accessible via the MAX Light Rail Red Line, which takes approximately 38-to-45 minutes from the airport to downtown. Portland International Airport is highly regarded, having been named the best airport in the United States in various surveys, including Travel + Leisure's survey in 2021 and from 2013 to 2019.
The airport has several notable features, including natural light, over 70 live trees, the iconic PDX carpet, a timber lattice ceiling, and large video walls. It offers various amenities such as free Wi-Fi, local food and drink options, and tax-free shopping. The city of Portland has even adopted the airport code PDX as a synonym for the city itself, reflecting the airport's significance and popularity.
PDX has also committed to environmental sustainability initiatives. For example, they have installed systems that provide cool/warm air and electricity to aircraft, allowing planes to shut down their engines and reduce emissions while at the jet bridge. Additionally, they have transitioned to using renewable diesel for Port-owned equipment and vehicles and have participated in the Clean Air Construction Program to reduce diesel emissions.
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PDX is the city's nickname
Portland International Airport is commonly known as 'PDX'. The airport code is derived from the city's name, with 'P' standing for the beginning of the word 'Portland' and 'D' for the end. The 'X' was added as a placeholder after World War II, as there were more airports in the country than two-letter abbreviations.
The city of Portland has embraced the airport code as a nickname, with PDX being used as a synonym for the city itself. This is reflected in projects like PDX Next, which aims to bring more Pacific Northwest-inspired architecture, local restaurants, shops, and inclusive design to the airport. The airport has also been ranked highly by travellers, who appreciate its convenient light rail connection to downtown, free Wi-Fi, local food and drink options, and tax-free shopping.
The airport's popularity and cultural significance have contributed to the adoption of PDX as the city's nickname. The unique and memorable airport code has become a point of pride for the city, with PDX being featured prominently in local media and tourism promotions. The nickname is also a convenient shorthand for both locals and visitors when referring to the city, especially in the context of travel and transportation.
The use of airport codes as city nicknames is not unique to Portland, as other cities have also adopted their airport codes as part of their cultural identity. However, the widespread use of PDX as a nickname for Portland is notable, and it has become an integral part of the city's branding and self-image.
The PDX nickname has also been extended to various projects and initiatives beyond just the airport. For example, the Port of Portland's environmental sustainability efforts are collectively referred to as PDX Next, demonstrating how the nickname has been incorporated into the city's long-term planning and development. This further cements the association of PDX with not only the airport but also with Portland's ongoing commitment to innovation and improvement.
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PD was the National Weather Service's abbreviation
Portland International Airport, commonly known as PDX, is one of the most beloved airports in the United States. The airport is located in Portland, Oregon, and is known for its cultural significance, including the famous tradition of travellers taking photos of their feet against the airport's iconic green carpet.
The airport's code, PDX, is derived from the letters P and D, which stand for the beginning and end of the word "Portland", respectively. The X is a placeholder that was tagged onto airport names after World War II, as there were more airports in the country than two-letter abbreviations. Interestingly, PD was also the abbreviation used by the National Weather Service for its local station.
The airport's history dates back to the 1920s when it was first located on Swan Island in North Portland. However, by the mid-1930s, the airport had outgrown this space and moved to its present location in Northeast Portland. The airport has undergone several name changes over the years, including being called the Portland Columbia Airport when it opened on 13 October 1940.
Today, Portland International Airport is known for its superior guest experience, convenient light rail connection to downtown, free Wi-Fi, local food and drink options, and tax-free shopping. It has consistently ranked highly in Travel + Leisure's surveys and has been named America's favourite airport multiple times.
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The 'X' was added after World War II
Portland International Airport is commonly known as 'PDX'. The "'P' stands for the beginning of the word 'Portland', and the 'D' is for the end of the word. The "X" was added after World War II as there were more airports in the country than two-letter abbreviations. The International Air Transport Association (IATA) started assigning three-letter codes after an increase in airports led to a shortage of two-letter codes.
The airport sits along the Columbia River in Northeast Portland and construction began in the 1920s. By the mid-1930s, the airport quickly outgrew its spot on Swan Island and moved to its present location. It was renamed the Portland Columbia Airport and opened on 13 October 1940.
The airport has since undergone several name changes and expansions. It is now served by more than 15 international and domestic airlines, offering about 500 scheduled passenger arrivals and departures daily.
The city of Portland is nicknamed "PDX" after the airport code for Portland International Airport. The airport has become well-known for a cultural phenomenon: as part of a tradition, travellers take photos of their feet against the famous green carpet.
Portland International Airport has been ranked as one of America's favourite airports, according to Travel + Leisure magazine. It has received recognition for its superior guest experience, friendly interactions, free Wi-Fi, local food and drink, and tax-free shopping.
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PDX is loved by travellers
Portland International Airport, commonly known as PDX, is loved by travellers for a multitude of reasons. Ranked as America's favourite airport by Travel + Leisure magazine, PDX has consistently been rated highly, even being named the World's Best Domestic Airport from 2013 to 2019.
One of the key factors contributing to its popularity is the convenient light rail connection to downtown Portland. The MAX Light Rail, with its station on the airport's lower level, provides a quick and efficient mode of transportation. The Red Line, in particular, offers a direct route to the city centre, taking approximately 38 to 45 minutes.
PDX also boasts an array of amenities that enhance the overall traveller experience. Free Wi-Fi is available throughout the airport, ensuring travellers can stay connected. The airport is known for its diverse food and beverage options, showcasing local cuisine, microbrews, craft spirits, and even food carts. Tax-free shopping without markups is another attractive feature, providing travellers with a convenient and cost-effective way to shop.
The airport's design and aesthetic also contribute to its appeal. PDX features an abundance of natural light, more than 70 live trees, a timber lattice ceiling, and massive video walls, creating a visually stunning environment. The iconic PDX carpet has also gained a cult following, with travellers embracing the tradition of taking photos of their feet against the famous green carpet.
Additionally, PDX has gained recognition for its commitment to sustainability and environmental initiatives. The airport has implemented various projects under the PDX Next programme, aiming to reduce its carbon footprint and incorporate more Pacific Northwest-inspired architecture and design. These efforts include transitioning to renewable energy sources, improving energy efficiency, and participating in the Clean Air Construction Program to reduce diesel emissions.
The combination of convenient transportation, exceptional amenities, a traveller-friendly design, and a focus on sustainability contribute to PDX's reputation as a beloved airport among travellers. Its consistent rankings as one of the top airports in the United States are a testament to the positive experiences it provides to those passing through.
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Frequently asked questions
Portland International Airport is commonly known as 'PDX', an abbreviation formed from the first and last letter of the city's name, with the ''X' acting as a placeholder.
The 'X' is a placeholder tagged onto airport names after World War II as there were more airports in the country than two-letter abbreviations.
The official name of the airport is Portland International Airport.
Yes, the city of Portland is often nicknamed 'PDX' after the airport code.











































