The values have been rounded to provide a better understanding of the statistic. The figures for 2015 through 2019 are taken from previous editions of the publication.
Citation formats
Flight operations at Chicago International Airport 2015-2021
In 2021, the number of aircraft operations registered at Chicago's O'Hare International Airport amounted to ** operations, which represented a year-over-year increase of around percent as borders started to reopen throughout the COVID-19 pandemic. During the same year, the passenger traffic at O'Hare International reported a growth of percent.
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CDA. (April 5, 2022). Number of aircraft operations at Chicago's O'Hare International Airport from 2015 to 2021 (in 1,000s) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 31, 2026, from /statistics/1267999/aircraft-operations-at-chicago-international-airport/
CDA. "Number of aircraft operations at Chicago's O'Hare International Airport from 2015 to 2021 (in 1,000s)." Chart. April 5, 2022. ÌÇÐÄÆƽâ°æ. Accessed July 31, 2026. /statistics/1267999/aircraft-operations-at-chicago-international-airport/
CDA. (2022). Number of aircraft operations at Chicago's O'Hare International Airport from 2015 to 2021 (in 1,000s). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 31, 2026. /statistics/1267999/aircraft-operations-at-chicago-international-airport/
CDA. "Number of Aircraft Operations at Chicago's O'hare International Airport from 2015 to 2021 (in 1,000s)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 5 Apr 2022, /statistics/1267999/aircraft-operations-at-chicago-international-airport/
CDA, Number of aircraft operations at Chicago's O'Hare International Airport from 2015 to 2021 (in 1,000s) ÌÇÐÄÆƽâ°æ, /statistics/1267999/aircraft-operations-at-chicago-international-airport/ (last visited July 31, 2026)
Number of aircraft operations at Chicago's O'Hare International Airport from 2015 to 2021 (in 1,000s) [Graph], CDA, April 5, 2022. [Online]. Available: /statistics/1267999/aircraft-operations-at-chicago-international-airport/
