O'Hare Airport Ranks Among World's 10 Busiest in 2025

Chicago's major airport sees 6% passenger growth despite global travel uncertainty

Apr. 14, 2026 at 7:22pm

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A bold, geometric Art Deco-inspired illustration depicting the grand scale and streamlined forms of a major international airport, capturing the resilience of air travel demand in Chicago.Chicago's O'Hare Airport remains a global aviation powerhouse, ranking among the world's 10 busiest in 2025 despite broader industry uncertainty.Chicago Today

Chicago's O'Hare International Airport has been ranked as one of the 10 busiest airports in the world for passenger traffic in 2025, according to preliminary data released by Airports Council International (ACI). The airport saw a 6% increase in passengers compared to the previous year, reaching 84.8 million travelers.

Why it matters

O'Hare's inclusion in the global top 10 busiest airports underscores Chicago's continued status as a major transportation hub, despite broader economic and geopolitical uncertainties impacting the aviation industry. The airport's performance reflects the resilience of air travel demand in the region.

The details

O'Hare ranked 6th on the list of the world's busiest airports in 2025, up from 7th place the previous year. The airport saw a 6% increase in passenger traffic, reaching 84.8 million travelers. This growth came amid a challenging global environment, with factors like the Middle East war and rising fuel prices creating operational disruptions and economic uncertainty for the aviation sector.

  • The 2025 airport traffic rankings were released on April 14, 2026.
  • Global air traffic in 2025 is estimated to reach 9.8 billion passengers, up 3.6% from 2024 and 7.3% from pre-pandemic 2019 levels.

The players

Airports Council International (ACI)

An industry federation representing more than 2,200 airports in 181 countries that releases annual rankings of the world's busiest airports.

Hartsfield-Jackson Atlanta International Airport

The world's busiest airport in 2025 with 106.3 million passengers, though this represented a 1.6% decline from 2024.

Justin Erbacci

Director General of ACI World, who provided commentary on the 2025 airport traffic trends and outlook.

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What they’re saying

“Generally we've seen growth in all regions, and it was really bolstered and fueled by international traffic.”

— Justin Erbacci, Director General, ACI World

“If the crisis continues for several months yet, that's going to also impact the global economy and inflation and that may or may not impact people's propensity to fly, or where they fly, or how they fly.”

— Justin Erbacci, Director General, ACI World

What’s next

ACI will finalize the 2025 airport traffic tallies in July 2026, providing a clearer picture of the industry's performance and recovery from the global uncertainties.

The takeaway

Despite broader economic and geopolitical headwinds, Chicago's O'Hare Airport has maintained its status as one of the world's busiest transportation hubs, underscoring the resilience of air travel demand in the region.