With the introduction of Grand Central Madison, taking LIRR (Long Island Rail Road) from John F. Kennedy international airport to central part of New York City is making more sense; no traffic, no hiked-up prices, on time, simple transfer from the AirTrain to Jamaica LIRR station, not to mention convenience.
This video shows a step-by-step process starting at the Jamaica AirTrain station, navigating Grand Central different track platform, options to take elevator for those with large or heavy luggage, arriving at the 47th Street and Madison Avenue as JP Morgan building with underground access to Grand Central Terminal Main Concourse for Metro North and the S, 4, 5, 6, 7 subway stations. You may go further west to reach rest of the Financial District area. Here is the related video.
• NYC Grand Central Term...