The top group all had an average rating of 4.5 and were ordered by which had the most five-star reviews.

First, second and third went to Emirates, Singapore Airlines and Air New Zealand respectively, naming these flight carriers as the top airlines in the world.

The bottom airlines all received an average of 3 out of 5, and so were placed in order of which had the most 1-star reviews.

First of the bottom list – that is, the worst airlines in the world – was Spirit, followed by Frontier and then Vueling.

See the full list below of the best and worst airlines in the world.

Top airlines in the world

1. Emirates – 67.5 percent five-star reviews
2. Singapore Airlines – 64.2 percent
3. Air New Zealand – 60.6 percent
4. Southwest – 60 percent
5. Qatar Airways – 59.7 percent
6. JetBlue – 59.4 percent
7. Aeroflot – 58.9 percent
8. JAL – 58.6 percent
9. Azul – 58.6 percent
10. Jet2.com – 56.4 percent
11. ANA – 55.8 percent
12. Garuda – 53.5 percent
13. Aegean – 53.5 percent
14. THAI Smile – 51 percent
15. Avianca – 49.9 percent
16. TAM – 45.5 percent

Bottom airlines in the world

1. Spirit – 42.8 percent one-star reviews
2. Frontier – 40.3 percent
3. Vueling – 34.8 percent
4. Allegiant – 30.7 percent
5. Wow – 32.6 percent
6. Sunwing – 25.4 percent
7. American Airlines – 21.5 percent
8. Air Europa – 19.7 percent
9. airberlin – 17.7 percent
10. Thomas Cook Airlines – 17.6 percent
11. United – 17.3 percent
12. Air Transat – 15.5 percent
13. Jetstar – 15.1 percent
14. Iberia – 12.8 percent