Revealed: Top 10 busiest international air routes

The world's busiest international routes by number of flights Dubai International Airport - Kuwait International Airport is the world's 10th busiest with over 14,581 flights in the course of a year, according to new data from OAG Aviation.
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10. The route between Dubai International Airport and Kuwait International Airport is the world's 10th busiest with over 14,581 flights per year operated by four carriers, with an on-time performance (OTP) of 82.5 percent.
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9. The 9th busiest route with Bangkok Suvarnabhumi International Airport - Changi Airport Singapore having 14,698 flights operated by five carriers and an OTP of 81.7 percent.
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8. Hong Kong International Airport - Seoul Incheon Airport is the world's 8th busiest with 15,770 flights operated by nine carriers.
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7. LaGuardia Airport - Toronto Pearson International Airport with over 17,038 flights operated by three carriers and an OTP of 54.9 percent.
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6. Route between Seoul Incheon Airport - Kansai International Airport is the world's 6th busiest with 19,711 flights operated by eight carriers.
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5. Route with Soekarno–Hatta International Airport - Kuala Lumpur International Airport having 19,741 flights operated by eight carriers.
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4. Hong Kong International Airport - Shanghai Pudong Airport route has 20,678 flights per year operated by five carriers, with an on-time performance (OTP) of 66.6 percent.
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3. Route between Soekarno–Hatta International Airport - Changi Airport Singapore having 27,046 flights operated by seven carriers per year.
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2. The second busiest route is Hong Kong International Airport - Taiwan Taoyuan International Airport with 28,447 flights operated by five carriers and an OTP of 70.0 percent.
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1. The busiest international route in the world is Kuala Lumpur - Singapore with over 30,187 flights in the course of a year, operated by 8 carriers with an average of 82 flights per day and an OTP of 72.8 percent.