American Airlines will add new service from Ontario, California to Chicago starting in December | News

Ontario International Airport (ONT) officials welcomed news from American Airlines that the airline will begin daily nonstop service between ONT and Chicago O’Hare International Airport (ORD) beginning December 17, 2026.

“American Airlines has been a long-time valued partner of our airport, serving the area’s residential and business communities since 1970. We welcome this new service and wish our friends continued success as they continue to invest in our airport and our region,” said Alan D. Wapner, Chairman of the Ontario International Airport Authority (OIAA) and Mayor of the City of Ontario, pro Tem. “As demand for air travel grows in Southern California, airlines and air travelers are turning to Ontario for its affordability, ease of access and exceptional customer service, not to mention our world-class facilities and amenities, which make Ontario the airport of choice in greater Los Angeles.”

The return service includes an early morning departure from ONT with a mid-evening arrival on the return flight.

American will deploy its Boeing 737 aircraft, equipped with 172 seats in three classes, including 16 First Class, 24 Main Cabin Extra and 132 Main Cabin seats. The new flight will complement the existing service in the market, flown by United Airlines.

Flights can be booked from Monday 6 July at www.aa.com.