Aerial view of Chicago O'Hare International Airport
668ft / 204m
Number of Runways
Chicago O'Hare International Airport (IATA: ORD, ICAO: KORD, FAA LID: ORD) is ranked number 3 in most busiest airport in the world. Chicago O'Hare is located 17 miles (27 km) northwest of Chicago, Illinois. It is also a hub for American Airlines and United Airlines.
When VATSIM controllers are online, they have a certain callsign they use so you can recognize who you are about to communicate with. If it's Chicago Center, their callsign would be ZAU_CTR. ZAU is the ARTCC they are in, and CTR is an acronym for the word Center.