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Dublin/London is second busiest

THE Dublin/London air route is the second busiest international corridor in the world as 3.6 million passengers jetted between the capitals last year.

That's up almost 7pc on 2012, according to the latest figures from the International Air Transport Association (IATA).

Aer Lingus (inset), Ryanair, CityJet, Flybe and British Airways are among the operators that ply the route across the Irish Sea to a number of London airports.

The busiest international route is between Hong Kong and Chinese Taipei, with 4.9 million people using the route last year, although that is down 11.5pc.

In third place is Jakarta/ Singapore, which carried 3.4 million passengers. The United States remains the largest single air market in the world, in terms of both domestic and international travel.

Overall, the world's airlines carried 3.13bn passengers across the globe in 2013 - an increase of 5.1pc on the previous year.

Airlines in the Asia-Pacific region carried the largest number of passengers of any region.