GO Airport Shuttle or HY Airport Shuttle or CT Limousine

Daughter needs to get from Yale to JFK and am wondering which of the above airport shuttle services people recommend. Thanks in advance.

This is also something I continue to be confused by…
Some say it’s quite easy…others says it’s complicated. I’ve opted to have kid fly into Hartford because JFK/LaGuardia seems difficult. Am I over thinking it?
The NYC airports are advantageous in that flights are non stop and cheaper but…planes, trains and automobiles seem to be necessary :-0

We live in driving distance but one time our daughter needed to get back to campus from the airport after a vacation. We opted for one of the limo services from JFK (I think it was CT Limo) which worked fine and is straightforward (though there may be a significant wait and it’s not particularly cheap). There are much cheaper ways to do it but it does involve multiple steps. If she were doing it multiple times I would probably have opted to let her learn to do it. Note this was a couple of years ago so things may have changed.