Do all international flights serve free alcohol?

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Tags

1. #flights
2. #complimentary
3. #alcohol
4. #international
5. #include
6. #united
7. #delta
8. #first
9. #passengers
10. #premium
11. #customers
12. #enjoy
13. #american
14. #offers
15. #following
16. #economy
17. #airlines
18. #comfort