What is the airport code for Bloomington, Illinois?

The airport code for Bloomington, Illinois, is BMI. This code is assigned to Central Illinois Regional Airport, which serves the Bloomington-Normal area. The codes used in the airline industry are designated by the International Air Transport Association (IATA), and each airport's code is typically a three-letter abbreviation that often reflects the city's name or the airport's location.

In this case, "BMI" is derived from the city's name, making it intuitive for travelers and those familiar with the area. Understanding airport codes can be particularly helpful for booking flights, navigating itineraries, or even just comprehending travel discussions.

The other codes in the choices do not correspond to Bloomington, Illinois. For instance, BHM represents Birmingham, AL, BUF stands for Buffalo, NY, and BOG is the code for Bogotá, Colombia. Recognizing these differences helps clarify the unique identifier each airport holds within the broader aviation system.