The busiest passenger air routes on earth have been revealed in a new study published by Routes, organizer of the world’s leading aviation network development conferences and events.

With more than 13.4 million people traveling on the short-haul domestic service, the 450 km journey from Seoul’s Gimpo Airport to the island of Jeju off the coast of the Korean Peninsula has once again claimed the title as the most in-demand air route in the world.

The route has an average of 180 scheduled flights per day – that’s one every 8 minutes – transporting mainly leisure travelers from South Korea’s dense capital city to the island, famed for its white sandy beach resorts and volcanic landscape.

A total of 13,460,305 passengers flew between Seoul and Jeju in 2017, an increase of 9.4% on the previous 12 months when the route was also ranked as the busiest in the world. It carried a staggering 4,369,364 more people than the second busiest, Melbourne – Sydney Kingsford Smith.

Although the United States remains the world’s largest aviation market, the analysis by Routes found that air services in the Asia-Pacific region dominate the top 100 busiest routes by passenger numbers, accounting for more than 70% of the total.

Hong Kong – Taiwan Taoyuan is the busiest international route and features as the 8th most popular overall, with 6,719,029 passengers flying the 802 km in 2017. Hong Kong, the home hub for Cathay Pacific, features in six of the top ten international routes.

The study also found that the Thai domestic route of Bangkok Suvarnabhumi – Chiang Mai is the fastest-growing route in the top 100. Two-way passenger numbers grew by 36% year-on-year to almost 2.4 million.

Steven Small, brand director of Routes, said: “This research backs up forecasts that the Asia-Pacific region will be the biggest driver of passenger demand over the next 20 years. Such staggering aviation growth means it is the perfect time for World Routes to return to China.

The top 10 busiest scheduled passenger routes in the world:

                            Passengers (2017)

1    Jeju – Seoul Gimpo (CJU-GMP)            13460306

2    Melbourne – Sydney Kingsford Smith (MEL-SYD)    9090941

3    Sapporo – Tokyo Haneda (CTS-HND)        8726502

4    Fukuoka – Tokyo Haneda (FUK-HND)        7864000

5    Mumbai – Delhi (BOM-DEL)            7129943

6    Beijing Capital – Shanghai Hongqiao (PEK-SHA)    6833684

7    Hanoi – Ho Chi Minh City (HAN-SGN)        6769823

8    Hong Kong – Taiwan Taoyuan (HKG-TPE)        6719030

9    Jakarta – Juanda Surabaya (CGK-SUB)        5271304

10    Tokyo Haneda – Okinawa (HND-OKA)        5269481

The top 10 busiest scheduled international routes in the world:

Passengers (2017)

1    Hong Kong – Taiwan Taoyuan (HKG-TPE)        6719030

2    Jakarta – Singapore Changi (CGK-SIN)        4810602

3    Hong Kong – Shanghai Pudong (HKG-PVG)    4162347

4    Kuala Lumpur – Singapore Changi (KUL-SIN)    4108824

5    Bangkok Suvarnabhumi – Hong Kong (BKK-HKG)    3438628

6    Dubai – London Heathrow (DXB-LHR)        3210121

7    Hong Kong – Seoul Incheon (HKG-ICN)        3198132

8    Hong Kong – Singapore Changi (HKG-SIN)        3147384

9    New York JFK – London Heathrow (JFK-LHR)    2972817

10    Hong Kong – Beijing Capital (HKG-PEK)        2962707

The top 10 fastest-growing scheduled air routes in the top 100:

Year-on-year growth

1    Bangkok Suvarnabhumi – Chiang Mai (BKK-CNX)    36.0%

2    Seoul Incheon – Kansai International (ICN-KIX)    30.3%

3    Jakarta – Kuala Lumpur (CGK-KUL)        29.4%

4    Delhi – Pune (DEL-PNQ)                20.6%

5    Chengdu – Shenzhen Bao’an (CTU-SZX)        16.8%

6    Hong Kong – Shanghai Pudong (HKG-PVG)    15.5%

7    Bangkok Suvarnabhumi – Phuket (BKK-HKT)    14.9%

8    Jeddah – Riyadh King Kalid (JED-RUH)        13.9%

9    Jakarta – Kualanamu (CGK-KNO)            13.9%

10    Kolkata – Delhi (CCU-DEL)            13.4%





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