The food (breakfast) in the Jet Blue terminal's food court is horrible at that little buffet. Cold syrup on rubbery waffles, with powdered eggs. You could do better at a truck stop.
After getting out of a virgin redeye, avoid the first peets coffee which has a long line, and find the peets past security (20 yards past baggage claim stairwell)
If arriving, take the customs line for US nationals. They don't mind if you're foreign & the line moves much faster than those full of peeps who couldn't figure out how to fill in the green form.
John F. Kennedy International Airport is the primary international airport serving New York City. It is the busiest international air passenger gateway into North America, the 14th-busiest airport in the world, and the sixth-busiest airport in the United States.