The airport affords 59,000 doable connections to 226 locations on its busiest days.
By Zach Vasile
Istanbul Airport considerably rose to second place, highlighting the evolving panorama of worldwide air journey hubs.
Chicago O’Hare remained essentially the most linked airport within the U.S., adopted by Atlanta.
The highest 10 record noticed some shifts in rankings in comparison with 2024, reflecting the dynamic nature of worldwide air journey connectivity.
Journey information firm OAG has as soon as once more named London Heathrow the world’s most linked airport.
OAG’s 2025 “Megahub” record, which charges airports based mostly on scheduled connections to and from worldwide flights and variety of locations served, put the U.Ok.’s busiest airport at No. 1, a place it additionally held in 2024 and 2023.
London Heathrow affords 59,000 doable connections to 226 locations on its busiest days. It’s Europe’s busiest airport by seat capability.
“Heathrow’s sustained dominance displays its very important function in world journey, whereas Istanbul’s speedy rise exhibits how hubs are evolving to fulfill demand,” stated John Grant, OAG’s chief analyst, in a information launch. “Our 2025 rating underscores the steadiness between established gateways and bold challengers worldwide, which has developed over ten years of Megahubs.”
London Heathrow led Istanbul Airport and Amsterdam Schiphol, which took spots two and three on OAG’s record, and Kuala Lumpur Worldwide Airport and Frankfurt Airport, which tied for fourth place. Seoul Incheon, Chicago O’Hare, Hartsfield-Jackson Atlanta Worldwide Airport, Tokyo Haneda, and Paris Charles de Gaulle Airport rounded out the highest 10.
Chicago O’Hare Worldwide Airport. (Picture: Shutterstock | John McAdorey)
The 2024 Megahub record featured an identical high 10 with most of the similar airports, although in numerous positions. Between 2024 and 2025, Istanbul rose from No. 8 to No. 2, Frankfurt moved from No. 10 to No. 4, and Tokyo Haneda fell from No. 3 to No. 9.
Atlanta was ranked No. 11 final yr.
According to its place on the worldwide record, Chicago O’Hare was essentially the most linked airport within the U.S., adopted by Atlanta, Dallas/Fort Value, Denver, Charlotte Douglas Worldwide Airport in North Carolina, Seattle, Boston, Detroit Metropolitan Wayne County Airport, George Bush Intercontinental Airport in Houston, and Los Angeles Worldwide Airport.
Chicago O’Hare and Atlanta tied at No. 1 on the U.S. Megahubs record final yr.
Zach Vasile is a author and editor overlaying information in all elements of economic aviation. He has reported for and contributed to the Manchester Journal Inquirer, the Hartford Enterprise Journal, the Charlotte Observer, and the Washington Examiner, along with his space of focus being the intersection of enterprise and authorities coverage.
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