| 2019 Rank | Busiest Airport | % Correct |
|---|---|---|
| 12 | Amsterdam Airport Schiphol | 100%
|
| 27 | Barcelona–El Prat Airport | 100%
|
| 54 | Don Mueang International Airport | 100%
|
| 51 | Leonardo da Vinci International Airport | 100%
|
| 42 | London Gatwick Airport | 100%
|
| 7 | London Heathrow Airport | 100%
|
| 3 | Los Angeles International Airport | 100%
|
| 22 | Madrid Barajas Airport | 100%
|
| 6 | O'Hare International Airport | 100%
|
| 19 | Suvarnabhumi Airport | 100%
|
| 2 | Beijing Capital International Airport | 98%
|
| 9 | Charles de Gaulle Airport | 98%
|
| 50 | Narita International Airport | 98%
|
| 39 | Ninoy Aquino International Airport | 98%
|
| 29 | Seattle-Tacoma International Airport | 98%
|
| 14 | Seoul Incheon International Airport | 98%
|
| 18 | Singapore Changi Airport | 98%
|
| 49 | Sydney Airport | 98%
|
| 4 | Dubai International Airport | 95%
|
| 58 | Hamad International Airport | 95%
|
| 17 | Indira Gandhi International Airport | 95%
|
| 20 | John F. Kennedy International Airport | 95%
|
| 59 | Melbourne Airport | 95%
|
| 23 | San Francisco International Airport | 95%
|
| 8 | Shanghai Pudong International Airport | 95%
|
| 36 | Taiwan Taoyuan International Airport | 95%
|
| 5 | Tokyo Haneda Airport | 95%
|
| 15 | Frankfurt Airport | 93%
|
| 30 | McCarran International Airport | 93%
|
| 46 | Shanghai Hongqiao International Airport | 93%
|
| 32 | Toronto Pearson International Airport | 93%
|
| 13 | Hong Kong International Airport | 88%
|
| 38 | Munich Airport | 86%
|
| 11 | Guangzhou Baiyun International Airport | 83%
|
| 21 | Kuala Lumpur International Airport | 81%
|
| 26 | Shenzhen Bao'an International Airport | 67%
|
| 55 | Tan Son Nhat International Airport | 67%
|