Ontario International Airport Sees Record Passenger Growth

Passenger Growth at Ontario International Airport
Ontario International Airport (ONT) is proud to announce that it has experienced its 50th consecutive month of passenger growth. This exciting milestone highlights the airport's ongoing appeal and the increasing confidence from airline partners and travelers alike.
April Passenger Statistics
In April, approximately 575,623 passengers traveled through the airport, reflecting a modest increase of 0.4% compared to the same month last year. Domestic travel formed the majority with 539,067 passengers, also up by 0.4%. International travel saw a slight adjustment, totaling 36,556 passengers, which is a 0.6% increase.
First Four Months of 2025
During the first quarter of 2025, Ontario International Airport welcomed over 2 million passengers. This number represents a 0.5% rise from the corresponding period last year. The surge in domestic passengers is encouraging, having increased by 1%, while international travel dipped by 4.7%.
Airline Expansion and New Routes
"Our airline partners have reacted positively to these growth trends by increasing available seats on flights departing from Ontario by 8%," stated Atif Elkadi, the chief executive officer of Ontario International Airport Authority (OIAA). This increase in capacity is expected to make travel during the summer season more accessible for travelers.
Airlines are not only expanding capacity but also introducing new services. Noteworthy additions include daily flights to Baltimore/Washington (BWI) and Chicago/O'Hare (ORD) by Southwest Airlines and United Airlines, respectively. Additionally, travelers can look forward to STARLUX Airlines launching international flights to Taipei (TPE) starting in June.
Air Cargo Performance
Air cargo operations at Ontario International Airport continue to thrive, showcasing a remarkable growth rate of 16.6% in April compared to last year. Notably, while freight shipments saw a slight decline of 0.8%, there was an incredible 437% surge in mail volume, indicating strong demand for cargo services.
Highlights of Air Cargo Statistics
For the period spanning January to April in 2025, air cargo tonnage increased by 10% over the previous year. Despite a decline in freight volume of 4.3%, mail shipments rose significantly by 335%, illustrating a diversified growth in cargo operations. Elkadi noted, "Increasing shipments of mail carried by United Parcel Service have driven significant growth in our air cargo tonnage, underscoring the attractiveness of our facilities for cargo shippers."
About Ontario International Airport
Ontario International Airport is California's preferred mid-sized airport, as highlighted by J.D. Power's North America Airport Satisfaction Study. Strategically located in Southern California's Inland Empire, ONT serves as a bustling hub, providing nonstop commercial jet services to numerous major airports in the U.S., Mexico, Central America, and Taiwan.
About the Ontario International Airport Authority (OIAA)
The Ontario International Airport Authority was established in 2012 to oversee the management, operations, development, and marketing of the airport, enhancing the Southern California economy. The OIAA comprises key leadership from both the City of Ontario and the County of San Bernardino.
Frequently Asked Questions
What recent milestone has Ontario International Airport achieved?
Ontario International Airport has reached 50 consecutive months of passenger growth, showcasing its rising popularity.
How many passengers traveled through ONT in April?
In April, approximately 575,623 passengers transited through Ontario International Airport.
What percentage growth was seen in air cargo at ONT?
Air cargo growth at Ontario International Airport was an impressive 16.6% in April of 2025.
Are there any new routes introduced at Ontario International Airport?
Yes, new daily services to Baltimore/Washington and Chicago/O'Hare have been launched, alongside international flights to Taipei.
What is the overall growth trend for air travel at Ontario?
Overall, air travel continues to grow at Ontario International Airport, showing resilience and an increase in both domestic and international travelers.
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