Which city does the code ORD represent?

The code ORD represents Chicago O'Hare International Airport, which is located in Chicago, Illinois. Airport codes are typically derived from the name of the airport or the city, with the first letter often reflecting the primary city or region served. In this case, "ORD" stands for O'Hare, and it has become universally recognized as the code for Chicago's busy airport, one of the largest and most significant in the United States. Understanding this code is essential for anyone involved in air travel, as it facilitates communication about flight destinations, airport operations, and travel itineraries. Familiarity with city codes like ORD helps in navigating airline schedules and making travel plans efficiently.