John F. Kennedy International Airport is a major international airport serving New York City and the New York metropolitan area, in the United States. The airport is the busiest of the seven airports in the New York airport system, the 6th-busiest airport in the United States, and the busiest international air passenger gateway into North America. The facility c…John F. Kennedy International Airport is a major international airport serving New York City and the New York metropolitan area, in the United States. The airport is the busiest of the seven airports in the New York airport system, the 6th-busiest airport in the United States, and the busiest international air passenger gateway into North America. The facility covers 5,200 acres and is the largest and busiest airport in the New York City area.