I was incredibly surprised that Delta terminal at JFK does not have a free WiFi. I traveled through this airport from Europe. Most of airports around the world do have free WiFi. It is like going back to medieval times. I had a broken leg and could not move around to call my family when I will be arriving. I had to leave my cell home. Very frustrating. I think JFK should follow these modern airports to add this feature.
Joskie
WiFi