The world's most connected airport is Chicago O'Hare. The world's top 10 global hubs are broken down by region.
Data was collected on the busiest day of the year.
London's reign as the world's most connected airport came to an end in the year 2022. For three years in a row, the most connected airport was Heathrow.
There were 43,350 connections within a six-hour window on the busiest day of the year at Chicago's O'Hare. In August, it served 66 destinations. For the fourth year in a row, Chicago O'Hare was the most connected airport in the world.
Nine of the top 10 spots have been secured by the US airports following the ease in travel restrictions. Mexico City Airport, the highest ranked non-US airport, made it to the top 10 due to the fact that the country kept its borders open during the Pandemic.
| Rank | Airport | Country | Rank in 2019 | Dominant Carrier | Share of Flights |
| 1 | Chicago O’Hare (ORD) | USA | 3 | United Airlines | 46% |
| 2 | Dallas-Forth Worth (DFW) | USA | 19 | American Airlines | 85% |
| 3 | Atlanta Hartsfield-Jackson (ATL) | USA | 8 | Delta Airlines | 77% |
| 4 | Seattle-Tacoma (SEA) | USA | 37 | Alaska Airlines | 55% |
| 5 | Denver (DEN) | USA | 80 | United Airlines | 52% |
| 6 | Los Angeles (LAX) | USA | 13 | Delta Airlines | 20% |
| 7 | New York-JFK (JFK) | USA | 18 | Delta Airlines | 34% |
| 8 | Mexico City (MEX) | Mexico | 15 | Aeromexico | 53% |
| 9 | Houston (IAH) | USA | 21 | United Airlines | 76% |
| 10 | Miami (MIA) | USA | 20 | American Airlines | 67% |
LHR has been ranked at a record low 22nd position, down from its top ranking in 2019. The number of possible connections on the busiest day of the year has fallen by almost 40% because of the reduction in flights. Short-haul routes have been affected by capacity reduction.
Istanbul Airport and Paris Charles de Gaulle Airport were named the most connected airports in Europe. The Top 5 European airports are:
Four airports in the Asia-Pacific region made it into the top 20.
Singapore Changi Airport was ranked 12th in the Asia- Pacific region. Hong Kong didn't make it into the top 50. It was in second place in the region.
The most connected airport in the Middle East and Africa isDXB. Saudi Arabia's King Khalid International Airport was ranked as the second and third airport in the world.
The airport was second in the rankings in 2019.
The Latin American airports had no change in their ranking among the top three airports.
Mexico City Airport is the top-ranked airport in Latin America, followed by the other two airports in the region.
Even though the United States has the largest domestic aviation market in the world, the dominance of IndiGo in India has propelled Delhi's Indira Gandhi International Airport (DEL) and Mumbai's Chhatrapati Shivaji Maharaj International Airport (BOM) to 1st and 2nd place in the Delhi was ranked 6th in the world.
Denver International Airport got a boost from the presence of Southwest Airlines. Frontier Airlines is based out of Denver. Thanks to the strong presence of Southwest Airlines, Las Vegas and MCO were ranked fourth and fifth.
| Rank | Airport | Country | Rank in 2019 | Dominant Carrier | Share of Flights |
| 1 | Delhi (DEL) | India | 6 | IndiGo | 34% |
| 2 | Mumbai (BOM) | India | 11 | IndiGo | 37% |
| 3 | Denver (DEN) | USA | 55 | United Airlines | 52% |
| 4 | Las Vegas (LAS) | USA | 54 | Southwest Airlines | 38% |
| 5 | Orlando (MCO) | USA | 15 | Southwest Airlines | 22% |
| 6 | Jakarta (CGK) | Indonesia | 8 | Lion Air | 30% |
| 7 | Manila (MNL) | Philippines | 2 | Cebu Pacific Air | 37% |
| 8 | Mexico City (MEX) | Mexico | 9 | Aeromexico | 53% |
| 9 | Fort Lauderdale (FLL) | USA | 13 | Spirit Airlines | 27% |
| 10 | Istanbul Sabiha (SAW) | Turkey | 16 | Pegasus Airlines | 66% |
Kuala Lumpur International Airport was ranked 20th in the Mega Hubs, which was in first place in the year. Singapore Changi Airport did not make the cut. It was third in the year.
Istanbul Sabiha Gocken Airport (SAW) is the 10th highest ranked low cost carrier airport in Europe.
The data source is OAG.
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