Ontario International Airport Plans Major Expansion to Meet Growing Demand
Ontario International Airport (ONT) in Southern California has initiated an environmental review process for a significant expansion project. The plan includes modernizing the existing Terminal 2 and Terminal 4, and constructing a new Terminal 3. The new terminal is expected to have approximately 650,000 square feet of interior space, with gates capable of accommodating both narrowbody and widebody aircraft. This expansion is driven by the airport's growth trajectory, as current passenger demand exceeds the design capacity of the terminal facilities. ONT, which handles around 7 million passengers annually, aims to complete the expansion by 2036. The project will also optimize terminal roadways, parking, and other facilities to better serve the increasing number of passengers. 
