What is the most successful airline in the world?

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5. Why does flying cost so much?
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Tags

1. #value
2. #assets
3. #profit
4. #largest
5. #carried
6. #group
7. #fleet
8. #revenue
9. #market
10. #several
11. #defined
12. #world
13. #airlines
14. #passengers
15. #american
16. #delta
17. #capitalization
18. #passenger
19. #lines