Anderson, how did it all play out? Did you get to the airport ok? Which travel option did you end up choosing?
To me, the Grand Central or Penn Station to JFK topic seems to be the all-time classic in travel message boards etc.
With the situation as it is, my personal conclusion was - despite necessary connections - to still prefer the trains over taxi or any shuttles.
While not having tried any shuttles ("NYC Airporter" and others) myself, the internet seems to be full with negative reviews and trip reports about how something went wrong, implying this whole shuttle business could possibly be a little dubious. For example, there are reports about how at stations shuttle sales people actively approach people and sell their tickets, even if there is no shuttle with free seats showing up afterwards for a considerable amount of time - offering no refunds and still repeatedly claiming "the next one will be here soon", when people possibly have a plane to catch. There are reports about how the drivers don't make the best impression. And of course the shuttles also get stuck in traffic, just like taxis do. To me, this is one of the many advantages of a rail-based travel solution: reliable trip times. Sure there possibly also can be rail delays, still it's not the same experience than f.e. not moving for half an hour being part of a parking lot on Van Wyck Expressway. And I had the luck of experiencing it myself already, thinking "It's 10pm, there surely will be no traffic jam" - just to be stuck in traffic afterwards - that's when I personally came to the conclusion that "the city that never sleeps" also must apply to road traffic.
For me personally, the only case scenario to take a taxi for that Manhatten-JFK connection would be if I was so loaded with luggage that it wouldn't be possible to take rail. Still that's just me, and it's good that there are so many transportation options so everyone can do as they desire - and it's especially good that in this case, there indeed are rail options to choose from as well. ^_^
In general, to me personally, - even when being aware of the history and the factors that lead to the status quo, but still - how New York JFK airport does not have a rail connection beyond the AirTrain seems completely not understandable. This is getting off-topic though, there should be a separate thread about air-rail links.
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