
Portland International Jetport, locally known as the Jetport, is a public airport two miles west of downtown Portland, Maine, United States. The airport's code, PWM, is a geocode with the International Air Transportation Association. Three-letter airport codes were developed in the 1930s to help pilots identify landing locations. The airport is the busiest in the state, serving most major domestic airlines and over 1.6 million passengers a year.
| Characteristics | Values |
|---|---|
| Name | Portland International Jetport |
| Location | 2 miles (3 km) west of downtown Portland, Maine, United States |
| Size | 726 acres (293 ha) |
| Owner | City of Portland |
| Operator | City of Portland |
| History | Established as Stroudwater Airport; first commercial service on 1 August 1931; purchased by the city of Portland in 1937 and renamed Portland-Westbrook Municipal Airport |
| IATA | PWM |
| ICAO | KPWM |
| FAA LID | PWM |
| Popularity | Busiest airport in the state; one of the fastest-growing airports in the nation; served over 1.6 million passengers in a year |
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What You'll Learn
- Portland International Jetport is located in Maine, US, two miles west of downtown Portland
- The airport's code, PWM, is its geocode with the International Air Transportation Association
- PWM is the busiest airport in the state of Maine
- The airport is also known as Stroudwater Airport
- Portland International Jetport is one of the fastest-growing airports in the US

Portland International Jetport is located in Maine, US, two miles west of downtown Portland
Portland International Jetport, also known as PWM, is a public airport located in Portland, Maine, US. The airport is situated just two miles west of downtown Portland and is owned and operated by the City of Portland. Covering 726 acres of land, PWM is the busiest airport in the state of Maine.
The airport first began as a private field of a flying fan, and its history can be traced back to 1931 when it received its first commercial service. On August 1, 1931, Boston-Maine Airways commenced flights between Portland and Boston. Six years later, in 1937, the city of Portland purchased the airfield, then known as Stroudwater Airport, for $68,471 and renamed it to Portland-Westbrook Municipal Airport. This is where the airport code PWM originated.
Today, Portland International Jetport is one of the fastest-growing airports in the nation, serving most major domestic airlines and over 1.6 million passengers annually. The airport has benefited from service by low-cost carriers such as Southwest Airlines and JetBlue, as well as Portland's growing popularity as a tourist destination. A survey conducted in June 2011 found PWM to be the most affordable airport in the region and the third most affordable in New England.
The airport has a bright future ahead, with a 10-year capital program in place to facilitate improvements and keep up with the latest technology, safety requirements, and projected growth in passenger counts and air cargo volumes. These improvements aim to continue providing value to business travelers, the general public, and the thriving local economy.
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The airport's code, PWM, is its geocode with the International Air Transportation Association
The airport code PWM is the geocode for Portland International Jetport with the International Air Transportation Association. Locally known as the Jetport, it is a public airport two miles (3 km) west of downtown Portland, Maine, United States. The airport is owned and operated by the City of Portland, and it is the busiest in the state.
The airport code PWM was derived from the airport's former name, Portland-Westbrook Municipal Airport. The airport's name was changed from Stroudwater Airport in 1937 when the city of Portland purchased the airfield for $68,471.
Three-letter airport codes were developed in the 1930s to help pilots identify landing locations. Today, these codes are used by airlines on tickets and flight listings and are often incorporated into airport logos.
Portland International Jetport is one of the fastest-growing airports in the nation, serving most major domestic airlines and over 1.6 million passengers a year. The airport has experienced strong growth since the 1970s and 1980s and has a 10-year capital program in place to accommodate future growth and technological advancements.
The Jetport has benefited from service by low-cost carriers such as Southwest Airlines and JetBlue, as well as Portland's increased popularity as a tourist destination. It covers 726 acres (293 ha) of land and includes a full-length taxiway that provides access to terminals, parking ramps, and other businesses.
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PWM is the busiest airport in the state of Maine
PWM, also known as Portland International Jetport, is the busiest airport in the state of Maine. Locally known as the Jetport, it is a public airport located two miles (3 km) west of downtown Portland, Maine, United States. The airport covers 726 acres (293 ha) of land.
The airport received its first commercial service on August 1, 1931, when Boston-Maine Airways began a flight from Portland to Boston. In 1937, the city of Portland purchased the airfield for $68,471 and changed its name to Portland-Westbrook Municipal Airport, which is the origin of its airport code, PWM. "Westbrook" referred to the location of the last directional light before the airport in the nearby city of Westbrook.
Portland International Jetport has benefited from service by low-cost carriers such as Southwest Airlines and JetBlue, as well as Portland's increased popularity as a tourist destination. A survey conducted in June 2011 found PWM to be the most affordable airport in the region and the third most affordable in New England. The airport has also seen various improvements and expansions over the years, including the construction of a new taxiway and the implementation of a geothermal heating and cooling system, which is expected to reduce the Jetport's consumption of heating oil.
The airport has also been associated with some notable events in history, such as the departure of Mohamed Atta and Abdulaziz al-Omari, who were involved in the September 11, 2001, attacks. Despite the challenges faced by the airline industry, Portland International Jetport continues to thrive and serve an increasing number of passengers each year.
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The airport is also known as Stroudwater Airport
The airport code PWM is for Portland International Jetport, which is locally known as the Jetport. The airport is also known as Stroudwater Airport, a name that dates back to its first commercial service on August 1, 1931, when Boston-Maine Airways began a flight from Portland to Boston. The airport is located two miles (3 km) west of downtown Portland, Maine, in the United States. It is owned and operated by the City of Portland, and it covers 726 acres (293 hectares) of land.
The origin of the airport code PWM is tied to the airport's history. In 1937, the city of Portland purchased the airfield, then known as Stroudwater Airport, for $68,471 and renamed it to Portland-Westbrook Municipal Airport. The airport code PWM is derived from this former name, with the three-letter codes introduced in the 1930s to help pilots identify landing locations.
Today, Portland International Jetport is one of the fastest-growing airports in the region, serving most major domestic airlines and over 1.6 million passengers annually. It is the busiest airport in the state of Maine and is known for its affordability, ranking as the most affordable airport in the region in 2011. The airport has benefited from service by low-cost carriers such as Southwest Airlines and JetBlue, as well as Portland's popularity as a tourist destination.
The airport has a rich history, even beyond its early days as Stroudwater Airport. During World War II, the airport was closed to most civilian traffic, but it played a role in the lend-lease program, with aircraft passing through on their way to Canada. In more recent times, the airport has experienced strong growth, with expansions and improvements made to accommodate increasing passenger numbers and air cargo volumes.
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Portland International Jetport is one of the fastest-growing airports in the US
Portland International Jetport, also known as Stroudwater Airport, is a public airport located two miles west of downtown Portland, Maine. The airport's geocode, PWM, is derived from the International Air Transportation Association. The airport covers 726 acres of land and is the busiest in the state of Maine.
The airport has seen significant growth in recent years, becoming one of the fastest-growing airports in the United States. This growth can be attributed to several factors, including the service of low-cost carriers such as Southwest Airlines and JetBlue, as well as Portland's increased popularity as a tourist destination. A survey conducted in June 2011 found PWM to be the most affordable airport in the region and the third most affordable in New England. The airport has also benefited from the addition of new routes, such as United Airlines' new summer seasonal non-stop service to Houston, Texas, beginning in June 2025.
The history of Portland International Jetport dates back to August 1, 1931, when the airport received its first commercial service with a flight from Boston-Maine Airways. In 1937, the city of Portland purchased the airfield, originally named Stroudwater Airport, and renamed it Portland-Westbrook Municipal Airport. The airport's code, PWM, is derived from this former name.
Over the years, the airport has undergone various changes and improvements. Portland's first jets arrived in October 1959, and a new terminal was opened in 1959, which continues to serve as the present facility. The airport has also expanded its facilities, with a new terminal and a longer runway constructed in 1952, and improvements made during the 1950s, including the addition of "International" to its official designation.
Today, Portland International Jetport offers a range of amenities and services to its passengers. These include pre-paid parking options, with the option to scan in and out of the garage, and various ground transportation options, such as ridesharing apps and taxis. The airport also experiences high volume during Spring Break, with many of its parking lots filling up quickly, and recommends passengers add an extra 30 minutes to their travel time to accommodate remote parking and shuttle services.
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Frequently asked questions
PWM is the geocode for Portland International Jetport with the International Air Transportation Association.
Three-letter airport codes were developed in the 1930s to help pilots identify landing locations.
The airport was known as Stroudwater Airport and received its first commercial service in 1931. In 1937, the city of Portland purchased the airfield and changed its name to Portland-Westbrook Municipal Airport, which is where the airport code PWM originates.
PWM covers 726 acres of land and is a medium-sized, multi-use airport located 2 miles west of downtown Portland, Maine.
Portland International Jetport is locally known as the Jetport and is the busiest airport in the state of Maine. It is one of the fastest-growing airports in the nation and has a 10-year capital program aimed at improving the airport's value to business travelers and the traveling public.





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