Complex sentence: In the New York City area, it ranks only behind Pennsylvania Station, Grand Central Terminal, and Secaucus Junction, with over 1,000 trains passing through it every day, while there is a direct rail connection to John F. Kennedy International Airport via AirTrain JFK.
Split into simpler sentences: In the New York City area it ranks only behind Pennsylvania Station, Grand Central Terminal, and Secaucus Junction, with over 1,000 trains passing through it every day. It has a direct rail connection to John F. Kennedy International Airport via AirTrain JFK.