Busiest air route in the world revealed

21 Mar 2018 by Robert Curley
jeju-island, South Korea (iStock)

A domestic flight in South Korea is the busiest airline route in the world, according to a report from aviation industry analyst OAG.

The 282-mile route between Seoul and the island of Jeju, a popular beach destination that’s also home to a “sex-themed sculpture park,” was flown 64,991 times last year, an average of 178 flights daily.


Other busy domestic routes included Melbourne-Sydney in Australia (54,519 flights in 2017) and Mumbai-Delhi, India (47,462 flights). The busiest U.S. route was Los Angeles-San Francisco, flown by airlines 34,897 times.

Hong Kong to Taipei was the busiest international route last year, flown 29,494 times; Kuala Lumpur to Singapore (29,383 flights) and Jakarta-Singapore (26,872 trips) were next.

The five busiest international routes were all in Asia. The busiest U.S. route was Los-Angeles-New York-Toronto, flown by American Airlines, Air Canada, and Westjet a total of 17,116 times in 2017.

Other busy air routes included

  • Fukuoka-Tokyo Haneda,
  • Rio de Janeiro-Sao Paulo Congonhas,
  • Sapporo-Tokyo,
  • Brisbane-Sydney,
  • Cape Town-Johannesburg,
  • Beijing-Shanghai.

Hong Kong-Shanghai, Hong Kong-Seoul Incheon, Beijing-Hong Kong, Dublin-London Heathrow, Bangkok-Singapore were among the international routes most flown by airlines.

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