What city is served by the airport code DAY?

The airport code DAY is associated with Dayton, Ohio, which is confirmed by standard airport coding systems like IATA. Each airport is assigned a unique three-letter code to identify it easily within airline operations and travel itineraries. In the case of Dayton, it serves as the primary airport for the region, providing commercial passenger flights along with general aviation services.

While Cincinnati and Cleveland are also cities in Ohio, their respective airport codes differ; Cincinnati is represented by CVG and Cleveland by CLE. Culebra, Puerto Rico, is served by the airport code CPX. Understanding these codes is essential for travel planning and can aid in distinguishing between nearby airports in the same state.