I am seeing a variance of over an hour between the time that Flight Tracker and the ElAl website predict that an ElAl flight which is en route will land at JFK.
Is this normal and which should I trust over the other so that I can get to the airport on time?
IME ELAL (possibly deliberately) give wrong arrival information. Though coming off a 747 which is full to the gills with passangers, getting luggage, getting through passport control and customs, could take a while.
Use Flightradar24.com for most accurate info.