What is the difference between Economy Plus and Premium Economy?

Related questions

1. Is the Boeing 737 800 A max?
2. How many seats does a Boeing 737 700 have?
3. Has the Boeing 737 800 been grounded?
4. Does Boeing 737 800 have TV?
5. What is the difference between economy and economy plus seats on United Airlines?
6. Does United Economy Plus include carry on?
7. Do you get free drinks in United Economy Plus?
8. Is a Boeing 737 700 A max?
9. Has the Boeing 737 700 been grounded?
10. What are the best economy seats on a plane?

Tags

1. #generally
2. #seats
3. #space
4. #wider
5. #journey
6. #inches
7. #comfortable
8. #recline
9. #assured
10. #class
11. #extra
12. #economy
13. #around
14. #legroom
15. #expensive
16. #typical
17. #includes
18. #premium
19. #service
20. #comfort
21. #relaxing
22. #business
23. #level