O’Hare International Airport remained America’s second-busiest hub behind Hartsfield-Jackson Atlanta International Airport in 2021, but experts say the number to watch is a 27% rebound in flights compared to a dismal 2020.
Recently released Federal Aviation Administration data counts 684,201 operations at O’Hare in 2021, trailing Hartsfield-Jackson’s tally of 707,661.
At the same time, O’Hare continues to climb out of a pandemic slump of 538,211 arrivals and departures in 2020. To put that in context, operations totaled 919,704 in 2019 when O’Hare held the title for most U.S. flights.
Atlanta surpassed Chicago in 2020.
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