Ontario International Airport keeps climbing with passenger count up nearly 2% in May
Air cargo volume grew by 5% during the month
ONTARIO, Calif., June 24, 2025 /PRNewswire/ -- The number of passengers who traveled through Ontario International Airport (ONT) was higher by nearly 2% in May, the 51st straight month of year-over-year growth, while air cargo volume increased 5%, officials announced.
The airport reported 630,137 passengers last month, 1.9% more than May 2024. Domestic passengers totaled 591,336, while the number of international travelers was 38,801, increases of 1.6% and 5.8%, respectively.
The Southern California gateway welcomed almost 2.7 million passengers over the first five months of the year, 0.8% more than the same period last year. Domestic passenger volume grew by 1.1% to 2.5 million.
Passenger | May | May | Change | YTD | YTD | Change |
Domestic | 591,336 | 581,976 | 1.6 % | 2,500,546 | 2,473,047 | 1.1 % |
International | 38,801 | 36,685 | 5.8 % | 190,165 | 195,563 | -2.8 % |
Total | 630,137 | 618,661 | 1.9 % | 2,690,711 | 2,668,610 | 0.8 % |
"Every traveler we welcome and every shipment we move is a reflection of something bigger – the trust our community places in us, the dedication of our team and the bold vision set by our Board of Commissioners," said Atif Elkadi, CEO of the Ontario International Airport Authority (OIAA). "ONT's continued growth isn't just about numbers. It's about building something meaningful for Southern California, a world-class airport experience that's grounded in service, driven by purpose, and powered by people who care deeply about this region and its future."
The air carriers with the greatest passenger shares in May were:
Airport officials expect ONT to serve 2.2 million passengers during the summer travel season, which started over Memorial Day weekend and runs through Labor Day.
A top 10 cargo hub in the U.S., Ontario saw continued growth in air cargo in May, up by 5.1%. Freight shipments decreased by 8.6% while mail volume remained strong, gaining 324.3%.
Air cargo | May | May | Change | YTD | YTD | Change |
Freight | 58,600 | 64,116 | -8.6 % | 276,134 | 291,459 | -5.3 % |
11,666 | 2,749 | 324.3 % | 56,266 | 12,992 | 333.1 % | |
Total | 70,266 | 66,865 | 5.1 % | 332,400 | 304,451 | 9.2 % |
From January through May, air cargo tonnage was 9.2% greater than the same period last year, with freight volume 5.3% lower and mail 333.1% higher.
About Ontario International Airport
Ontario International Airport (ONT) is California's most popular mid-sized airport, according to J.D. Power's most recent North America Airport Satisfaction Study. Located in the Inland Empire, ONT is approximately 35 miles east of downtown Los Angeles in the center of Southern California. It is a full-service airport which offers nonstop commercial jet service to two dozen major airports in the U.S., Mexico, Central America and Taiwan. More information is available at www.flyOntario.com. Follow @flyONT on Facebook, X (formerly Twitter) and Instagram.
About the Ontario International Airport Authority (OIAA)
The OIAA was formed in August 2012 by a Joint Powers Agreement between the City of Ontario and the County of San Bernardino to provide overall direction for the management, operations, development and marketing of ONT for the benefit of the Southern California economy and the residents of the airport's four-county catchment area. OIAA leaders include Ontario Mayor pro Tem Alan D. Wapner (President), San Bernardino County Supervisor Curt Hagman (Vice President), Ontario City Council Member Jim W. Bowman (Secretary), Retired Riverside Mayor Ronald O. Loveridge (Treasurer) and retired business executive Julia Gouw (Commissioner).
OIAA Media Contact:
Steve Lambert (909) 841-7527 slambert@flyontario.com
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SOURCE Ontario International Airport