- City of Chicago Department of Aviation official site for O'Hare Airport, Midway Airport, and Meigs Field.www.ohare.com
- Chicago Airport Guide. MDW Terminals, Airlines, Hotels, Rental Cars, Directions.www.chicago-mdw.com
- Chicago O'Hare Airport guide providing detailed information about the airport including airlines, ground transportation, parking, car rental, hotels, shops and duty free, restaurants, bars, weather and airport news.www.airwise.com/airports/us/ORD/ORD_01.html
- AReCO, Alliance of Residents Concerning O'Hare ...areco.org