The statistic illustrates the leading international airports worldwide in 2019, ranked by the connectivity index. In that year, Chicago O'Hare International Airport was ranked third, with a connectivity index of 290.
Leading international hubs worldwide in 2019, ranked by connectivity index score*
* According to the source, the connectivity index is calculated as the ratio of possible scheduled international connections to the number of destinations served by the airport within a six-hour window in the busiest day of the year for the 12 months leading to July 2019.
Both online and interline connections are included (i.e. legacy and low-cost scheduled airlines).
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OAG. (September 23, 2019). Leading international hubs worldwide in 2019, ranked by connectivity index score* [Graph]. In Statista. Retrieved December 30, 2024, from https://www.statista.com/statistics/542002/airports-worldwide-connectivity-index/
OAG. "Leading international hubs worldwide in 2019, ranked by connectivity index score*." Chart. September 23, 2019. Statista. Accessed December 30, 2024. https://www.statista.com/statistics/542002/airports-worldwide-connectivity-index/
OAG. (2019). Leading international hubs worldwide in 2019, ranked by connectivity index score*. Statista. Statista Inc.. Accessed: December 30, 2024. https://www.statista.com/statistics/542002/airports-worldwide-connectivity-index/
OAG. "Leading International Hubs Worldwide in 2019, Ranked by Connectivity Index Score*." Statista, Statista Inc., 23 Sep 2019, https://www.statista.com/statistics/542002/airports-worldwide-connectivity-index/
OAG, Leading international hubs worldwide in 2019, ranked by connectivity index score* Statista, https://www.statista.com/statistics/542002/airports-worldwide-connectivity-index/ (last visited December 30, 2024)
Leading international hubs worldwide in 2019, ranked by connectivity index score* [Graph], OAG, September 23, 2019. [Online]. Available: https://www.statista.com/statistics/542002/airports-worldwide-connectivity-index/
