Three major airports serve Long Island. Long Island Islip MacArthur Airport (ISP), is located in the central portion of Long Island, and offers regular scheduled flights from major domestic cities. Southwest Airlines is the primary carrier. Just over the Nassau border in adjacent Brooklyn and Queens Counties are the New York City Airports including JFK International (JFK) and LaGuardia Airport (LGA). Other smaller airports on Long Island serve private aircraft and charters, including Republic Airport in East Farmingdale, Francis S. Gabreski Airport in Westhampton Beach, Brookhaven Calabro Airport in Shirley and East Hampton Airport.