Miami International is the largest air gateway between the United States and Latin America and the Caribbean, and a hub for American Airlines. It also handles more international freight than any other US airport — much of it perishable, including a large share of the cut flowers sold in the United States. The current schedule feed lists 217 airports in 65 countries connected to Miami.
The mix of destinations means MIA's departure boards read like a map of the Americas, with more Spanish and Portuguese spoken than English in the concourses.
Miami International Airport is the 29th busiest airport in the world — it handled 55,314,661 passengers in 2025, according to ACI World's annual ranking.
The most frequently served routes for Miami International Airport connect to Atlanta (ATL), Dallas-Fort Worth (DFW) and New York (JFK).
The longest connected route for Miami International Airport reaches Dubai (DXB). This non-stop flight covers a distance of 7,833 miles (12,607 km).