Are terminals at JFK connected?

Related questions

1. How do you travel between terminals at JFK?
2. How early should you get to JFK for international flight?
3. Why is JFK airport called JFK?
4. Which airport is the best in the world?
5. When should I arrive at JFK?
6. Can I buy a MetroCard at JFK?
7. How much is airport parking at JFK?
8. Do I have to recheck my luggage when flying with multiple airlines?
9. How do I recheck my luggage?
10. What is the difference between layover and connecting flight?

Tags

1. #disposal
2. #airtrain
3. #there
4. #shuttle
5. #passenger
6. #system
7. #network
8. #minutes
9. #operated
10. #their
11. #transfer
12. #connected
13. #airlines
14. #terminal
15. #delta
16. #between
17. #frequency
18. #fairly
19. #terminals
20. #since
21. #kennedy
22. #airport
23. #trains