Certified a 5-star airline, Singapore Airlines was ranked among the world's best airlines 4 times by Skytrax. It has consistently topped Travel & Leisure's best airline rankings for 20-plus years. Aside from this, Singapore Airlines:  • Was voted as having the World's Best Airline Cabin Crew 2019 • Was awarded the World's Cleanest Airline in 2019 • Ranked #10 in terms of international passengers carried • Ranks amongst the world’s top 15 carriers (revenue passenger kilometers)