Passenger traffic at Chicago Airport 2000-2019

After a period of stagnant growth in the early 2010's, passenger traffic at Chicago’s O’Hare Airport has grown strongly in recent years from a stable figure of around 66.7 million passengers in the first half of the decade to reach around 84.65 million passengers in 2019.

Passenger traffic versus enplanements

Passenger traffic refers to any passenger who boards or exits an aircraft at the airport. This differs from the other common measure of passenger numbers used in the aviation industry, enplanements, which only includes passengers who board an aircraft. Enplanements are commonly used as a passenger measurement because most of the airport revenue is generated directly or indirectly from enplaned passengers. As to be expected, the number of enplanements is generally around half the total passenger traffic.

Busiest airports in the United States

While Atlanta’s Hartfield-Jackson Airport may be busier regarding the total number of enplanements, O’Hare is connected to more destinations. O’Hare also handles considerably more cargo than Hartfield-Jackson, with the seventh-highest annual tonnage of all U.S. airports. Taken together, this makes O’Hare the U.S. airport with the highest number of overall aircraft take offs-and landings. Perhaps as a result of this, one list O’Hare does not appear on is that of the most punctual airports.

Passenger traffic at Chicago's O'Hare International Airport between 2000 and 2019

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Release date

May 2020


United States

Survey time period

2000 to 2019

Supplementary notes

The values have been rounded to provide a better understanding of the statistic.
The figures for 2000 through 2017 are taken from previous editions of the publication; the 2018 value is preliminary.

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Statistics on "Airports in the United States"

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