全球有哪幾間航空公司被列為5星級？

According to Skytrax Airlines survey, there are currently 4 airlines that are listed as 5 Star Airlines:
Cathay Pacific Airways
Malaysia Airlines
Qatar Airways
Singapore Airlines
You can find from the following link of other airlines ranked in 1-4 stars:
http://www.airlinequality.com/StarRanking/ranking.htm
And you can also find other rank like airport and different part of airlines services...

國泰航空

馬來西亞航空

卡塔爾航空

新加坡航空


Cathay Pacific Airways

Malaysia Airlines

Qatar Airways

Singapore Airlines