Where is the worlds busiest airport?

What would be your guess at the world’s busiest airport of 2023, and the busiest airline route?

Thanks to the latest stats from OAG (Official Airline Guide) we can tell you.

Topping the global charts – calculated using total airline capacity (domestic and international flights) – is Atlanta Hartsfield-Jackson International Airport (ATL) with 61 million seats, a 12% increase on the previous 12 months, with Dubai International Airport (DXB) coming in second with 57 million seats, showing an upsurge of 25%.

Tokyo International Airport (HND) was named third with 53 million seats – up 26% – while London Heathrow (LHR) was fourth with 49 million seats, which was an increase of 23%.

Meanwhile, the busiest international airport of 2023 – using international airline capacity only – is named as Dubai International Airport (DXB) with 57 million seats – it was also the busiest international airport in 2019 and 2022.

London Heathrow Airport (LHR) followed up in second place with 47 million seats which is an increase of 24% compared to 2022.

Amsterdam Airport (AMS) is the third busiest international airport with 37.2 million seats, with Paris Charles de Gaulle Airport (CDG) in fourth with 36.7 million seats.

And the only Asian airport to make the top 10 is Seoul Incheon International Airport (ICN), in 7th, place, with nearly 37 million seats.

The busiest global international route has been named as Kuala Lumpur (KUL) to Singapore Changi (SIN) with 4.9 million seats.

Cairo (CAI) to Jeddah (JED) came in second at 4.8 million seats, with just 2% capacity difference between the top two.

Hong Kong (HKG) to Taipei (TPE) is third at 4.6 million seats with London Heathrow (LHR) to New York (JFK), named 8th with 3.5 million seats.

Looking at the USA’s domestic flight routes, Honolulu (HNL) to Kahului (OGG) is the busiest with 3.6 million seats, which is just 3% more than Atlanta (ATL) to Orlando (MCO) in second.

Coming in third is Las Vegas (LAS) to Los Angeles (LAX) with 3.5 million seats and New York (JFK) to Los Angeles (LAX) is in fourth place with 3.2 million seats.

For more detailed data sets check out https://www.oag.com/