What’s the world’s busiest airline route by passenger numbers, 2017?
With a staggering 13.5 million passenger journeys, the busiest flight path on Earth, according to OAG, is the 450-kilometer hop from Seoul’s Gimpo International Airport to the island of Jeju; by comparison, less than 3 million traveled between New York's JFK and London's Heathrow. With 9.1 million passengers, second on...