Eastern Air Lines was a major American airline from 1926 to 1991. Before its dissolution it was headquartered at Miami International Airport in Florida. Eastern was one of the "Big Four" domestic airlines and had a near monopoly in air travel between New York and Florida from the 1930s until the 1950s and dominated this market for decades afterward. The airline stopped flying at midnight Saturday, January 19, 1991. Eastern Air Lines flew many different types of aircraft throughout its history.