Business News Singapore-KL route is world's busiest global air link May 6, 2018 johorbiznet Johor News Singapore-KL route is world’s busiest global air link Inquirer.net Air traffic via India feeds busiest international routes Times of India Kuala Lumpur to Singapore tops the list of the world’s busiest international flight routes CNBC Today in the Sky | USA TODAY Travel USA Today List: The world’s 20 busiest airports (2017) USA TODAY Full coverage Source: Business News Feed