Ontario airport served 673,413 passengers in July as year-to-date total passed 4 million
July passenger volume was down 1.2% from a year earlier while international traffic for the first seven months rose 36.9%, the airport authority reported. Air cargo tonnage was up 7% year to date.
Ontario International Airport handled 673,413 passengers in July, and its total for January through July passed 4 million, the Ontario International Airport Authority said in a release issued Aug. 24.
The July figure was 1.2% below the 681,912 passengers counted in July 2025, according to a table in the release.
Domestic travelers accounted for 616,247 of the July total, down 1.4% from a year earlier. International passengers numbered 57,166, up 0.4%.
Seven-month totals
From January through July, the airport counted 4,085,992 passengers, the authority said. That was 1.3% more than the 4,032,410 recorded in the same period of 2025.
International volume for the seven months was 403,385, a 36.9% increase from 294,623 a year earlier. Domestic volume was 3,682,607, down 1.5%.
"More than 4 million passengers have already traveled through ONT this year, and our international passenger volume is up nearly 37% at a time when international travel to the U.S. is facing significant headwinds," Atif Elkadi, the authority's chief executive officer, said in the release.
The authority listed the five carriers with the largest passenger shares in July: Southwest Airlines at 34.4%, American Airlines at 14.8%, Frontier Airlines at 11.9%, Alaska Airlines at 11.1% and Delta Air Lines at 9.4%.
Cargo
Air cargo totaled 75,222 tons in July, up 3.5% from 72,645 tons in July 2025, the release showed.
Freight made up 63,993 tons, a 3.5% increase. Mail was 11,229 tons, up 3.6%.
For the year through July, cargo tonnage was 503,439, up 7.0% from 470,469 in the same months of 2025. Freight rose 10.0% to 432,916 tons over that span, while mail fell 8.4% to 70,523 tons.
The release said annual passenger traffic at the airport exceeds 7 million and that it has nonstop flights to two dozen major airports in the United States, Mexico, Taiwan and Central America.
The authority that owns and runs the airport was formed under a joint powers agreement involving San Bernardino County and the city of Ontario, according to the release.