Merrill C. Meigs Field Airport (CGX) is located in Chicago, Illinois, United States, and is an important aviation hub for the city. The airport is named after Merrill C. Meigs, who served as a publisher for the Chicago Herald and Examiner and was a major figure in the city's early aviation industry. Meigs was a firm believer in the importance of aviation, and even served as the first president of the Air Line Pilots Association.

The airport opened in August 1948, and was initially known as Meigs Municipal Airport. In 1957, the airport was officially renamed as Merrill C. Meigs Field Airport in honor of its namesake. The airport was jointly owned and operated by the City of Chicago and the State of Illinois.

The airport code CGX was assigned to the airport by the International Air Transport Association (IATA) in 1949. The code is derived from the first two letters of the city's name (“Chi”) and two numbers that represent the airport's latitude and longitude coordinates.

Merrill C. Meigs Field Airport is a busy airport, with over 20,000 aircraft operations per year. The airport is home to several airlines, including American Airlines, United Airlines, and Southwest Airlines. The airport offers flights to several domestic and international destinations, including New York, Los Angeles, San Francisco, Miami, London, and Paris. The airport also serves as a base for charter and private aircraft.

Merrill C. Meigs Field Airport is served by over 50 daily flights, making it one of the busiest airports in the United States. The airport is a popular destination for business and leisure travelers, and is the home of the Chicago Air Show, an annual event that features numerous aircraft flying in formation.

Merrill C. Meigs Field Airport has a long and rich history, and is a major part of the city’s aviation industry. Its namesake, Merrill C. Meigs, was a major figure in the early days of aviation, and his legacy lives on in this airport. The airport has grown significantly since its inception, and is now a major hub for domestic and international flights. It is a testament to the importance of aviation in the city of Chicago.