What is the difference between premium economy and economy?

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4. Which airline has the most legroom in premium economy?
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Tags

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