AirTrain JFK is a convenient transportation system that connects John F. Kennedy International Airport (JFK) to various locations in New York City. It operates 24 hours a day and provides easy access to the New York City subway and Long Island Rail Road (LIRR), making it simple for travelers to reach their destinations. The system features two lines: the Airport Loop, which connects all terminals, and the Jamaica and Howard Beach lines, which link to the subway and LIRR. Passengers can use a MetroCard to pay for their ride, ensuring a seamless travel experience to and from the airport.