Serving Bernardino County in southern California, LA/Ontario International Airport is served by a few major American airline companies. The service at this airport is limited because it is one of several air gateways into the Los Angeles area. Southwest Airlines operates the busiest schedule at LA/Ontario International Airport. As the country’s largest low cost airline, this company specializes in regional flights to major destinations on the West Coast.
By offering direct flights to Oakland International Airport and Norman Y. Mineta San Jose International Airport, Southwest Airlines takes its customers to the San Francisco Bay Area. Additionally, California’s capital city Sacramento is also part of the direct service offered by this large low cost carrier. Denver International Airport, McCarran International Airport of Las Vegas, and Sky Harbor International Airport in Phoenix are the other major West Coast cities listed on the Southwest Airlines timetable. From Ontario (CA), the Southwest Airlines trip to Chicago Midway Airport is the only direct flight to the Midwestern region. The busiest airline at LA/Ontario International Airport uses Terminal 4.
With headquarters in Seattle, Alaska Airlines connects LA/Ontario International Airport with Washington state’s largest city. This regional airline offers daily trips to Seattle/Tacoma International Airport. Portland, Oregon is another major Pacific Northwest destination that’s offered on the daily Alaskan Airlines service at Terminal 2.
Passengers at LA/Ontario International Airport can get to the busiest airport in Texas thanks to American Airlines. This major airline connects Ontario’s passengers with the main airport at the Dallas-Fort Worth Area, where the company has headquarters.
Utah’s capital city is the only destination that’s offered by Delta Air Lines at LA/Ontario International Airport. One of the largest airline companies in the world offers trips to Salt Lake City International Airport, which is one of several domestic hubs for Delta. Passengers can get on board the Delta fleet from Terminal 2.
United Airlines connects the San Bernardino area with San Francisco International Airport, the busiest airport in the San Francisco Bay Area of California. Denver International Airport and George Bush Intercontinental Airport are the other major destinations offered by United Airlines. This major American carrier is based at Terminal 2 in LA/Ontario International Airport.
US Airways operates one of the busiest routes at LA/Ontario International Airport. From Terminal 4, this company offers multiple daily flights to Phoenix Sky Harbor International Airport.
Based in Terminal 2 at LA/Ontario International Airport, Aeromexico is the only international airline at the airport. Mexico’s flag carrier invites passengers to the city of Guadalajara.