Miami International Airport (MIA), owned and operated by the Miami-Dade Aviation Department, stands as America's second-busiest airport for international passenger traffic and the nation's leading gateway for international freight operations. Founded in 1928 when Pan American Airways shifted operations from Key West to Miami, MIA evolved from a modest 116-acre privately operated facility into one of the world's largest and busiest aviation hubs. The airport's transformation began when Pan American Field officially opened on January 9, 1929, with Charles Lindbergh inaugurating service to San Juan, establishing Miami as a pivotal hub for international aviation to the Caribbean, Central America, and South America. By 1949, following the consolidation of the original 36th Street Airport with the Miami Army Airfield, MIA had grown to 2,500 acres and became the world's largest aircraft maintenance and overhaul facility for commercial aviation. The airport's modern era launched on February 1, 1959, when a newly constructed Miami International Airport with five concourses and a centralized terminal—then the world's largest—officially opened at Wilcox Field on 20th Street, handling over four million passengers within its first year of operation. Today, MIA serves as the primary U.S. gateway to Latin America and the Caribbean with extensive operations from American Airlines and countless international carriers, generating billions in economic activity and supporting a multi-billion-dollar capital improvement program to meet growing demand. The airport's strategic position, coupled with its deep-rooted history as a pioneer of international commercial aviation, continues to position Miami as an essential global transportation and commerce hub.