What is the ICAO code for Chicago O'Hare?

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What is the ICAO code for Chicago O'Hare?

In the United States, ICAO airport codes add a leading K to the three-letter IATA code. Chicago O'Hare’s IATA code is ORD, so its ICAO code becomes KORD. This distinguishes it from other major airports that use similar IATA letters but are in different places—for example, Dallas/Fort Worth uses DFW (ICAO KDFW), Los Angeles uses LAX (ICAO KLAX), and New York’s JFK uses JFK (ICAO KJFK). So KORD is the correct ICAO code for Chicago O’Hare.

In the United States, ICAO airport codes add a leading K to the three-letter IATA code. Chicago O'Hare’s IATA code is ORD, so its ICAO code becomes KORD. This distinguishes it from other major airports that use similar IATA letters but are in different places—for example, Dallas/Fort Worth uses DFW (ICAO KDFW), Los Angeles uses LAX (ICAO KLAX), and New York’s JFK uses JFK (ICAO KJFK). So KORD is the correct ICAO code for Chicago O’Hare.

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