World's busiest passenger air routes: Shift Ranking of August 2108/22/2014August 22, 20141. Hong Kong–Taipei (4,8m passengers a year) / 2. Dublin–London (3,5m) / 3. Jakarta–Singapore (3,4m) / 4. Seoul–Tokyo (3.2m) / 5. London–New York (2.7m) / Source: IATAhttps://p.dw.com/p/1CzKsImage: Fyrol Mohd/AFP/Getty ImagesAdvertisement