Originally Posted by jimrpa
Short answer for the OP - There are no smoking areas in the Delta terminal(s) at JFK (other than possibly the clubs in the link above). From what I saw, all smokers have to exit the terminal (and security).
There is no smoking at all at JFK anymore, not even in the DL clubs. You have to go outside and one hour is probably not enough time to go outside and then back through security.