The definition of world's busiest airport has been specified by the

Airports Council International Airports Council International (ACI) is an organization of Airport authority, airport authorities, informing members of industry practices and airport standards. Established in 1991, its headquarters (ACI World) are based in Montreal, Quebec, Ca ...

in Montreal, Canada. The ACI defines and measures the following three types of airport traffic: *Passenger traffic: total passengers embarked and disembarked, passengers in transit counted once *Cargo traffic: loaded and unloaded freight and mail, by mass *Traffic movements: landings and take-offs of aircraft

Busiest airports

The following airports make claims based on objective volume measures that are defined above (as per ACI): *

Hartsfield–Jackson Atlanta International Airport Hartsfield–Jackson Atlanta International Airport is the primary international airport serving Atlanta and its Metro Atlanta, surrounding metropolitan area, in the U.S. state of Georgia (U.S. state), Georgia. It is located south of the Down ...

Atlanta Atlanta ( ) is the List of capitals in the United States, capital and List of municipalities in Georgia (U.S. state), most populous city in the U.S. state of Georgia (U.S. state), Georgia. It is the county seat, seat of Fulton County, Georg ...

Georgia Georgia most commonly refers to: * Georgia (country), a country in the South Caucasus * Georgia (U.S. state), a state in the southeastern United States Georgia may also refer to: People and fictional characters * Georgia (name), a list of pe ...

United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...

: Most passengers annually (1998–2019, 2021–present) : Most aircraft movements annually (2015–present) *

Guangzhou Baiyun International Airport Guangzhou Baiyun International Airport is an international airport serving Guangzhou, Guangdong, China. The airport codes were inherited from the Guangzhou Baiyun International Airport (former), former Baiyun Airport, and the IATA code is de ...

Guangzhou Guangzhou, Chinese postal romanization, previously romanized as Canton or Kwangchow, is the Capital city, capital and largest city of Guangdong Provinces of China, province in South China, southern China. Located on the Pearl River about nor ...

Guangdong ) means "wide" or "vast", and has been associated with the region since the creation of Guang Prefecture in AD 226. The name "''Guang''" ultimately came from Guangxin ( zh, labels=no, first=t, t= , s=广信), an outpost established in Han dynasty ...

China China, officially the People's Republic of China (PRC), is a country in East Asia. With population of China, a population exceeding 1.4 billion, it is the list of countries by population (United Nations), second-most populous country after ...

: Most passengers annually (2020) *

Dubai International Airport Dubai International Airport () is the primary international airport serving Dubai, United Arab Emirates, and is the world's busiest airport by international passenger traffic as of 2024. It is also the busiest airport in the Middle East as ...

Dubai Dubai (Help:IPA/English, /duːˈbaɪ/ Help:Pronunciation respelling key, ''doo-BYE''; Modern Standard Arabic, Modern Standard Arabic: ; Emirati Arabic, Emirati Arabic: , Romanization of Arabic, romanized: Help:IPA/English, /diˈbej/) is the Lis ...

United Arab Emirates The United Arab Emirates (UAE), or simply the Emirates, is a country in West Asia, in the Middle East, at the eastern end of the Arabian Peninsula. It is a Federal monarchy, federal elective monarchy made up of Emirates of the United Arab E ...

: Most international passengers annually (2014–present) * Memphis International Airport, Memphis, Tennessee, United States : Most cargo traffic by weight annually (2020–2021) *

Hong Kong International Airport Hong Kong International Airport is an international airport on the island of Chek Lap Kok in western Hong Kong. The airport is also referred to as Chek Lap Kok International Airport or Chek Lap Kok Airport, to distinguish it from its predec ...

New Territories The New Territories (N.T., Traditional Chinese characters, Chinese: ) is one of the three areas of Hong Kong, alongside Hong Kong Island and Kowloon. It makes up 86.2% of Hong Kong's territory, and contains around half of the population of H ...

Hong Kong Hong Kong)., Legally Hong Kong, China in international treaties and organizations. is a special administrative region of China. With 7.5 million residents in a territory, Hong Kong is the fourth most densely populated region in the wor ...

. : Most cargo traffic by weight annually (2022–present)

Busiest airport by region

Below are the busiest airports for each continent by passenger traffic: *

Africa Africa is the world's second-largest and second-most populous continent after Asia. At about 30.3 million km2 (11.7 million square miles) including adjacent islands, it covers 20% of Earth's land area and 6% of its total surfac ...

- Cairo International Airport,

Egypt Egypt ( , ), officially the Arab Republic of Egypt, is a country spanning the Northeast Africa, northeast corner of Africa and Western Asia, southwest corner of Asia via the Sinai Peninsula. It is bordered by the Mediterranean Sea to northe ...

Asia Asia ( , ) is the largest continent in the world by both land area and population. It covers an area of more than 44 million square kilometres, about 30% of Earth's total land area and 8% of Earth's total surface area. The continent, which ...

- Dubai International Airport, United Arab Emirates *

Europe Europe is a continent located entirely in the Northern Hemisphere and mostly in the Eastern Hemisphere. It is bordered by the Arctic Ocean to the north, the Atlantic Ocean to the west, the Mediterranean Sea to the south, and Asia to the east ...

Heathrow Airport Heathrow Airport , also colloquially known as London Heathrow Airport and named ''London Airport'' until 1966, is the primary and largest international airport serving London, the capital and most populous city of England and the United Kingdo ...

London London is the Capital city, capital and List of urban areas in the United Kingdom, largest city of both England and the United Kingdom, with a population of in . London metropolitan area, Its wider metropolitan area is the largest in Wester ...

United Kingdom The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Northwestern Europe, off the coast of European mainland, the continental mainland. It comprises England, Scotlan ...

North America North America is a continent in the Northern Hemisphere, Northern and Western Hemisphere, Western hemispheres. North America is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South Ameri ...

- Hartsfield–Jackson Atlanta International Airport, Georgia, United States *

Oceania Oceania ( , ) is a region, geographical region including Australasia, Melanesia, Micronesia, and Polynesia. Outside of the English-speaking world, Oceania is generally considered a continent, while Mainland Australia is regarded as its co ...

Sydney Airport Sydney Kingsford Smith Airport — colloquially Kingsford Smith Airport, Sydney Airport or Mascot Airport — is an international airport serving Sydney, New South Wales, Australia, south of the Sydney central business district, in the subu ...

Australia Australia, officially the Commonwealth of Australia, is a country comprising mainland Australia, the mainland of the Australia (continent), Australian continent, the island of Tasmania and list of islands of Australia, numerous smaller isl ...

South America South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a considerably smaller portion in the Northern Hemisphere. It can also be described as the southern Subregion#Americas, subregion o ...

El Dorado International Airport El Dorado International Airport is an international airport serving Bogotá, the capital of Colombia, and its surrounding areas. The airport is located mostly in the Fontibón district of Bogotá, although it partially extends into the Engat ...

Bogotá Bogotá (, also , , ), officially Bogotá, Distrito Capital, abbreviated Bogotá, D.C., and formerly known as Santa Fe de Bogotá (; ) during the Spanish Imperial period and between 1991 and 2000, is the capital city, capital and largest city ...

Colombia Colombia, officially the Republic of Colombia, is a country primarily located in South America with Insular region of Colombia, insular regions in North America. The Colombian mainland is bordered by the Caribbean Sea to the north, Venezuel ...

Busiest city destination

Airports of London The Greater London Built-up Area, metropolitan area of London, England, United Kingdom, is served by six international airports and several smaller airports. Together, these airports constitute the World's busiest city airport systems by passen ...

combined,

: Most passengers annually in all city airports combined (2010–present)

Historical claims

Midway International Airport Chicago Midway International Airport is a major commercial airport on the southwest side of Chicago, Illinois, located approximately 12 miles (19 km) from the city's Loop business district, and divided between the city's Clearing and ...

Chicago Chicago is the List of municipalities in Illinois, most populous city in the U.S. state of Illinois and in the Midwestern United States. With a population of 2,746,388, as of the 2020 United States census, 2020 census, it is the List of Unite ...

Illinois Illinois ( ) is a U.S. state, state in the Midwestern United States, Midwestern United States. It borders on Lake Michigan to its northeast, the Mississippi River to its west, and the Wabash River, Wabash and Ohio River, Ohio rivers to its ...

, United States :In the late 1940s, Chicago Midway was the busiest airport in the United States by total aircraft operations – i.e., including every training aircraft practicing take-offs and landings. New York LaGuardia had the most airline operations and passengers until the early 1950s, when Chicago Midway became the busiest airport in the United States by any criterion. Before World War II, Chicago Midway was the origin or destination of one in four U.S. airline flights, although a 1939 Official Aviation Guide shows more airline flights scheduled at Newark than at Chicago. * Memphis International Airport, Memphis,

Tennessee Tennessee (, ), officially the State of Tennessee, is a landlocked U.S. state, state in the Southeastern United States, Southeastern region of the United States. It borders Kentucky to the north, Virginia to the northeast, North Carolina t ...

, United States :As the home of

FedEx Express FedEx Express is a major American cargo airline based in Memphis, Tennessee, United States. As of 2023, it is the world's List of largest airlines, largest cargo airline in terms of fleet size and freight tons flown. It is the namesake and leadi ...

, Memphis had the largest cargo operations worldwide from 1993 to 2009. It remains the busiest cargo airport in the United States and the Western Hemisphere.

References

External links