The New York City Subway is the metro system in New York City, New York. The underground trains of the metro were inaugurated in October 27, 1904. Some of its stations work 24/7, while others work until evening. The metro connects to the John F. Kennedy International Airport via AirTrain, which go from the terminals to the Jamaica and Howard Beach stations. This metro has 472 stations, divided into four boroughs: Queens, The Bronx, Manhattan, and Brooklyn.