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Ontario International Airport’s passenger count held steady in May, posting both year-over-year and year-to-date gains.
623,441 air travelers used Ontario International during the fifth month of the year, including 577,523 domestic passengers, the Ontario International Airport Authority reported.
Those numbers represent a 0.4 percent increase in passenger traffic month-over-month, and a 2.3 percent increase year-over-year. The number of international fliers also increased by 41.5 percent, to nearly 55,000.
More than 2.7 million passengers passed through Ontario International during the first five months of 2026, a 2.3 percent increase. Domestic passengers totaled 2.4 million, while the number of international travelers rose by 53.7 percent, to more than 292,000.
“The continued growth in passenger traffic, especially among international travelers, reflects the strength of our market and the growing number of travelers who choose Ontario International as their preferred gateway to Southern California,” said Atif Elkadi, the authority’s chief executive officer, in the statement.
