Originally Posted by
WeekendTraveler
EWR-JFK is a total of about 75 minutes on trains/AirTrains and time for waiting; I figure it’ll be 2 hours and 15 minutes. That’s not “all day”.
Fine. So then you arrive at JFK by around 10a and wait there until your evening flight departs, which you can't check in for until about 3 hours prior.