Why is it called Ord?

ORD – Chicago O'Hare “ORD” is a nod to the airfield's history, which started its life as Orchard Field Airport (OrchaRD) in 1945, at the site where Douglas Corporation had a wartime aircraft assembly plant. That name was short-lived. In 1949 the airport was renamed for Lt. Cmdr.



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With the rapid growth in the aviation industry, in 1947, the identifiers expanded to three letters and LA received an extra letter to become LAX. The letter X does not otherwise have any specific meaning in this identifier.

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According to Airfarewatchdog, in the 1930s, it was important to know whether or not an airport had a weather/radio station located on its premises, for safety and landing reasons. If it did, the letter Y for yes was added in front of the existing radio call sign.

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As air travel became common, Canadian airports began to use 3 and now 4-letter codes, typically begin with the letter “C”. It is also thought that the reason the letter Y is used for all (or most) Canadian airports, is that the letter “Y” indicated there was a weather reporting station at the airport or close by.

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Chicago O'Hare International Airport is one of the busiest airports in the US (consistently in the top four for at least the past five years). It was developed as a major expansion for the city after the Second World War and saw huge growth when newly introduced jets moved away from Midway Airport.

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The airfield is managed by three FAA air traffic control towers. O'Hare has a voluntary nighttime (22:00–07:00) noise abatement program. Currently, O'Hare has the most runways of any civilian airport in the world, totaling eight.

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Since ORD's traffic level is at a point where you need multiple departure and arrival runways to be used at the same time, they needed to keep a large number of runways.

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In many cultures, the number 13 is associated with bad luck, which is why many airlines prefer to avoid igniting the superstitions of their customers and have opted to remove the number from there seating plans.

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There might be a main international airport and a smaller, domestic/regional-only airport. London is so big that it actually has six official airports. They are located in very different parts of the city, serve different purposes and largely offer flights to differing destinations.

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Dallas Fort Worth (DFW) is one of the world's largest airports, ranking second globally in passenger numbers and third in aircraft movements. DFW was built between 1967 and 1973 and became operational on January 13, 1974, with American Airlines' first commercial flight.

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This system became unmanageable for cities and towns without an NWS identifier, and the use of two letters allowed only a few hundred combinations; a three-letter system of airport codes was implemented. This system allowed for 17,576 permutations, assuming all letters can be used in conjunction with each other.

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Saudi Arabia's King Fahr International Airport covered by far the largest land area, more than ten times the size of the third biggest airport in the ranking, Dallas/Fort Worth International in the United States.

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In 1942, Douglas Aircraft took over Orchard Place for the production of cargo planes. After war production ended, the facility became a commercial airport, and in 1947 the Chicago City Council picked it as the site for the city's new international airport (named for aviator Edward H. “Butch” O'Hare).

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