
The aviation ratings website assessed airlines on the basis of the quality of their product and services. According to a star-based ranking system, Air Koryo was the only airline on the list to receive a single star.
PIA’s premier service set to take off
While some passengers described “uncomfortably loud” engine noise, difficult to identify “fizzy drinks” and “perfunctory” emergency procedures as some of the deal breakers, others didn’t necessarily agree with the airline’s sub par ranking.

The world’s best airlines for 2017
Here are the worst airlines (in alphabetical order):
1. Bahamasair

PHOTO: WIKI
2. Biman Bangladesh Airlines

3. Bulgaria Air

4. China United Airlines

5. Cubana Airlines

6. Iran Air

7. Lion Air

8. Mahan Air

9. Nepal Airlines

Passengers ‘damage’ PIA Premier aircraft
10. Onur Air

11. Pegasus Airlines

12. Rossiya Airlines

13. SmartWings

14. Spirit Airlines

15. Sudan Airways

16. Syrian Air

17. Tajik Air

18. Turkmenistan Airlines

19. Ukraine International Airlines

20. Yemenia

This article originally appeared on Telegraph.
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