- Installed in 2011, O’Hare had the first, and still the largest, apiary of any airport in the world with 75 hives and more than 1 million bees
- From 1929 to 1961, Midway Airport – then known as Chicago Municipal or “Munie” – was the busiest in the world
- At 9, O’Hare has more runways than any other major international airport
- A grazing herd at O’Hare has more than 40 goats, burros, alpacas, sheep, and llamas from a local animal rescue that control the dense vegetation surrounding the airport
- Between 1962 and 1964 all scheduled flights at Midway were transferred to O’Hare
- O’Hare currently accounts for approximately 20% of the nation’s flight delays and cancellations
- Midway Airlines, named for the airport, was established in 1979, and at the time of its bankruptcy in 1991 was responsible for 72% of the air traffic at Midway Airport
- Located at O’Hare between terminals 2 and 3, the aquaponic gardens, with a dozen varieties of flowers, vegetables, and herbs, are a sight to behold
