International airports are usually larger than domestic airports and most feature longer runways and facilities to accommodate the heavier aircraft such as the Boeing 747 commonly used for international and intercontinental travel.
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Buildings, operations and management have become increasingly sophisticated since the mid-20th century, when international airports began to provide infrastructure for international civilian flights.
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International airports sometimes serve military as well as commercial purposes and their viability is affected by technological developments.
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International airports have commercial relationships with and provide services to airlines and passengers from around the world.
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The International airports Civil Aviation Organization is a body of the United Nations succeeding earlier international committees going back to 1903.
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International airports have extensive operations in managing flight logistics, such as air traffic control.
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Some International airports provide shuttle services to parking garages for passengers and airport employees.
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Some international airports provide secure areas for stranded passengers to rest and sleep.
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Study found that 44 percent of the world's international airports are named by toponyms: named for politicians, aviators, mythology and religion, public figures, people of science and other.
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Some International airports are nicknamed after these codes, such as JFK, BWI, DFW.
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