Ontario International Airport passenger and cargo volumes grew again in August

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Sep 18, 2025, 13:00 ET

Surge of international travel fueled passenger increase

ONTARIO, Calif., Sept. 18, 2025 /PRNewswire/ -- Passenger and cargo volumes edged up at Ontario International Airport (ONT) in August, extending its run of year-over-year gains to 54 and 14 consecutive months, respectively.

The Southern California gateway posted 646,820 passengers for August, an increase of 0.5% over last year, while air cargo was more than 69,000 tons, up about 1%.

A surge in international travel helped fuel another year-over-year increase at Southern California's Ontario International Airport.

The August passenger total included 592,870 domestic customers and 53,950 international travelers – the latter representing an increase of 53.7% year-over-year. ONT has experienced a surge in international travel since the launch of new air service to Mexico and Taiwan earlier in the summer.

Ontario officials reported more than 4.6 million passengers from January through August, 1.0% more than the same period last year. The number of domestic passengers rose by 0.1% to 4.3 million while international travel volume increased by 14.2% to 348,000.

Passenger Totals	August 2025	August 2024	Change	YTD 2025	YTD 2024	Change
Domestic	592,870	608,360	-2.5 %	4,330,657	4,325,934	0.1 %
International	53,950	35,112	53.7 %	348,573	305,267	14.2 %
Total	646,820	643,472	0.5 %	4,679,230	4,631,201	1.0 %

The air carriers which accounted for the greatest passenger shares in August were:

Southwest Airlines (34.2%)
American Airlines (14.9%)
Frontier Airlines (10.6%)
United Airlines (10.2%)
Delta Air Lines (9.9%)

Air cargo tonnage rose in August by almost 1% compared with the same month last year. Mail volume increased by 116% while freight declined by 8%.

Air cargo (tonnage)	August 2025	August 2024	Change	YTD 2025	YTD 2024	Change
Freight	58,365	63,477	-8.1 %	451,871	470,038	-3.9 %
Mail	10,658	4,927	116.3 %	87,621	24,060	264.2 %
Total	69,023	68,404	0.9 %	539,492	494,099	9.2 %

From January through August, air cargo tonnage was 9.2% higher than the same period in 2024 with mail volume up by 264% and freight down by nearly 4%.

"The fact total passenger and air cargo levels were still on the rise speaks to the resilience of our aviation and shipping partners and the strong appeal of our world-class facilities and services, not to mention the trust bestowed upon us by the Southern California communities we serve," said Atif Elkadi, chief executive officer of the Ontario International Airport Authority.

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).