BUSIEST FLIGHT ROUTES IN THE WORLD

View and interrogate OAG’s ever-popular Busiest Airline Routes whenever you need as they evolve and change over time, regularly providing updates on the busiest flight routes in the world. These include the Top 10 Busiest Global Airline Routes, Top 10 Domestic Airline Routes and International Airline Routes by region. Our flight routes data is powered by Schedules Analyser.

Find extensive flight data and analysis for domestic and international airline routes below and discover the busiest air routes in the area of your choice.

KEY POINTS

• In December 2024, Jeju (CJU) to Seoul (GMP) remains the Busiest Domestic Route in the World with 1.1 million seats.
• Sapporo New Chitose (CTS) to Tokyo Haneda (HND) has had the biggest increase in capacity in the top 10 this month compared to last month, adding 6% more seats per day. This increase in seats moves the route up a place to second with 1 million seats and is 67,425 (6%) seats below the busiest domestic route.
• Fukuoka (FUK) to Tokyo Haneda (HND) is in third place with 988,051 seats.
• Melbourne (MEL) to Sydney (SYD) has had the biggest decrease in capacity this month compared to last month with seats per day dropping by 9% and is the sixth busiest domestic route.

KEY POINTS

• Beijing (PEK) to Shanghai Hongqiao (SHA) continues to be the Busiest Domestic Route in China in December 2024 with 644,564 seats.
• Shanghai Hongqiao (SHA) to Shenzhen (SZX) is the second busiest route with 587,611 seats, however seats per day have dropped by 4% this month compared to last month.
• Guangzhou Baiyun (CAN) to Shanghai Hongqiao (SHA) remains in third place with 549,159 seats.
• Chengdu (CTU) to Beijing (PEK) has had the biggest decrease in capacity this month compared to last month with seats per day dropping by 5% and is in sixth place.
• Chengdu (CTU) to Shenzhen (SZX) has had the biggest increase in capacity this month compared to last month adding 3% more seats and is in tenth place.

KEY POINTS

• Los Angeles (LAX) to San Francisco (SFO) has seen a significant drop in capacity this month compared to last month with seats per day decreasing by 13%, meaning this route has dropped from being the busiest domestic route in the USA last month to the sixth busiest in December 2024.
• Las Vegas (LAS) to Los Angeles (LAX) has moved up be the busiest domestic route in the USA this month with 290,491 seats.
• Closely behind, just 411 (2%) seats, in second place is Atlanta (ATL) to Orlando (MCO) with 284,603 seats.
• Honolulu (HNL) to Kahului (OGG) is in third place this month with 284,192 seats, just 411 (0.1%) seats behind second place.
• The top six busiest domestic routes in the USA are close in capacity - there are only 14,305 (5%) seats between the busiest domestic route and the sixth busiest.
• Two routes have moved up into the top 10 busiest domestic routes in the USA; Los Angeles (LAX) to Chicago O’Hare (ORD) and Dallas Fort Worth (DFW) to Los Angeles (LAX) in ninth and tenth places.
• Atlanta (ATL) to New York La Guardia (LGA) and Denver (DEN) to Las Vegas (LAS) have dropped out. 

KEY POINTS

• In December 2024, Hong Kong (HKG) to Taipei (TPE) continues to be the Busiest International Route with 624,604 seats, a 6% increase in seats per day compared to last month.
• Kuala Lumpur (KUL) to Singapore Changi (SIN) is the second busiest international route with 467,474 seats.
• Seoul Incheon (ICN) to Tokyo Narita (NRT) is in third place with 463,112 seats, with just 4,362 (0.9%) seats between second and third place.
  
  
• Jakarta (CGK) to Singapore Changi (SIN) has seen the biggest increase in capacity in the top 10 busiest international routes with seats per day increasing by 23% and has moved up 2 spaces to be the sixth busiest route.
• Bangkok (BKK) to Hong Kong (HKG) also has a significant increase in capacity with seats per day increasing by 13% compared to last month and has moved up one place to eighth place.
• Tokyo Narita (NRT) to Taipei (TPE) has moved up into the top 10 busiest international routes in tenth place and Fukuoka (FUK) to Seoul Incheon (ICN) has dropped out.
  
  
• Only three Global regions are now covered in the Top 10 Busiest International Routes: eight routes from Asia Pacific, two from the Middle East and one from Africa. 

The busiest air routes are defined as those with the largest volume of scheduled airline seats in the current calendar month. Data is for flights in both directions on each route and is sourced from OAG Schedules Analyser in the first week of each month. The data reflects the most recent full calendar month for the busiest scheduled domestic and international aviation routes in each category.