What city is associated with the code DAY?

The city associated with the code DAY is Dayton, Ohio. Airport codes typically follow the format established by the International Air Transport Association (IATA), where the first letter often indicates a specific region or state. In this case, "DAY" uniquely identifies Dayton, allowing travelers, airlines, and airport staff to easily recognize the city associated with that code.

Dayton serves as a regional hub in Ohio, making it significant for both commercial and general aviation. The use of "DAY" as the airport code reflects the city's name, ensuring that it is distinct and easy to remember for travelers. Other options represent cities with entirely different codes, illustrating the importance of familiarizing oneself with airport code associations to avoid confusion in travel planning.