As a visitor from outside USA, expect the worst welcome possible by the immigration and customs. I was detained for six hours even though all my papers were in order. Terrible!
Don’t use the fake ubers. Sometimes you get a good deal and sometimes they gouge you. Best to trek to the uber and lyft pick up locations. If you have a long layover, try to go into the city.
Delta, for the first time in the 29 years of my life, I can say that I had the best customer service experience. If you meet delta employee, Ferdinand, treat him kindly. He is wonderful.
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.