Ontario International Airport (ONT) Airport Statistics

280,532 passengers flew in or out of Ontario International Airport in June 2023 representing an increase of 8.58% when compared to June 2022 (258,368).

2,834,891 passengers flew in or out of Ontario International Airport in 2022 representing an increase of 27.36% when compared to 2021 (2,225,863).

280,532 passengers flew in to or out of Ontario International Airport in June 2023

276,386 passengers flew in to or out of Ontario International Airport in May 2023

261,976 passengers flew in to or out of Ontario International Airport in April 2023

250,909 passengers flew in to or out of Ontario International Airport in March 2023

202,556 passengers flew in to or out of Ontario International Airport in February 2023

209,604 passengers flew in to or out of Ontario International Airport in January 2023

234,492 passengers flew in to or out of Ontario International Airport in December 2022

253,768 passengers flew in to or out of Ontario International Airport in November 2022

265,973 passengers flew in to or out of Ontario International Airport in October 2022

255,113 passengers flew in to or out of Ontario International Airport in September 2022

253,599 passengers flew in to or out of Ontario International Airport in August 2022

257,147 passengers flew in to or out of Ontario International Airport in July 2022

A total of 6,090 flights took off or landed Ontario International Airport in December 2025

The following countries have flights to or from Ontario International Airport: United States, Mexico, Taiwan, El Salvador, Canada, China

The following airlines operate flights to or from Ontario International Airport: NetJets, Southwest Airlines, Volaris, Flexjet, Air Transport International, American Airlines, FedEx Feeder, Frontier, West Air, Alaska Airlines, United Airlines, Solairus Aviation, Dreamline Aviation, Delta Air Lines, Silver Air, STAjets, Vista America, Viva, flyExclusive, SkyWest Airlines, Jet OUT, Delta Connection, Alaska SkyWest, Advanced Air, Aerolink Uganda, American Eagle, avianca, avianca El Salvador, Avion Express Malta, Buffalo River Aviation, Central Airlines, China Airlines, Copa Airlines, Alaska Horizon, Alpine Air Express, Diamond Aviation, JetBlue, LaneXang, Neojets, Flightworks, SkyShare, Frontier Airlines, Omni Air International, STARLUX, United Aviate Academy, United Express

The following destinations have flight connections with Ontario International Airport: Los Angeles, Santa Ana, Seattle, San Diego, Phoenix, Dallas, Houston, Las Vegas, Burbank, Denver, San Francisco, Portland, Maui, Santa Barbara, Lancaster, Bakersfield, Teterboro, Ventura, Sacramento, Salt Lake City, San Jose, San Luis Obispo, Blythe, Bishop, Chicago, Carlsbad, San Salvador, Taipei, Kona, Honolulu, Inyokern, Santa Maria, Sun Valley, Kauai Island, Long Beach, Miami, Monterey, Nashville, Oakland, Oklahoma City, Palm Springs, Aspen, Atlanta, Austin, Guadalajara, León, Morelia, San Jose Del Cabo, Charlotte, Cheyenne, Baltimore, Fresno, Puerto Vallarta, Paso Robles, Stockton, Fort Worth, Detroit, Hawthorne, Truckee, Rockford, Wilmington, Mexico City, Daggett, Renton, Luogang, New York, Allentown, Tampa, Goodyear, Lake Havasu City, Kalispell, Jacksonville, Mountain View, Santa Rosa, Monterrey, Salinas, Thermal, Tijuana, Napa, El Paso, Richmond, Cleveland

1688 flights (64.09%) flights arrived on time to Ontario International Airport. (December 2025)

926 flights (December 2025)

20 flights (0.76%) flights to Ontario International Airport were cancelled. (December 2025)

The arrival status of flights to Ontario International Airport segmented by Airline are listed here...Southwest Airlines: On Time 24.56%, Southwest Airlines: Late 13.44%, American Airlines: On Time 8.88%, FedEx Feeder: On Time 5.81%, United Airlines: On Time 4.33%, Frontier: On Time 3.95%, American Airlines: Late 3.72%, Delta Connection: On Time 3.57%, Delta Air Lines: On Time 3.49%, Alaska Airlines: On Time 3.42%, Volaris: On Time 3.08%, Alaska Airlines: Late 3.04%, FedEx Feeder: Late 2.81%, United Airlines: Late 2.09%, Delta Air Lines: Late 1.90%, Frontier: Late 1.71%, Volaris: Late 1.40%, Delta Connection: Late 0.99%, China Airlines: Late 0.91%, Alaska Horizon: On Time 0.87%, avianca: On Time 0.61%, STARLUX: Late 0.61%, United Express: On Time 0.61%, NetJets: On Time 0.46%, United Express: Late 0.34%, Alaska Horizon: Late 0.34%, Flexjet: Late 0.34%, China Airlines: On Time 0.27%, NetJets: Late 0.27%, Volaris: Cancelled 0.23%, Dreamline Aviation: Late 0.19%, Frontier: Cancelled 0.19%, FedEx Feeder: Very Late 0.19%, Delta Air Lines: Cancelled 0.15%, American Airlines: Very Late 0.11%, Frontier: Very Late 0.11%, Southwest Airlines: Very Late 0.11%, STARLUX: On Time 0.08%, flyExclusive: Late 0.08%, Advanced Air: Late 0.08%, Alaska Airlines: Cancelled 0.08%, Southwest Airlines: Cancelled 0.08%, United Airlines: Very Late 0.08%, United Aviate Academy: On Time 0.04%, United Express: Cancelled 0.04%, Vista America: On Time 0.04%, Vista America: Late 0.04%, Volaris: Very Late 0.04%, Central Airlines: Late 0.04%, Delta Air Lines: Very Late 0.04%, AeroGuard Flight Training Center: Late 0.04%, Delta Connection: Very Late 0.04%, Frontier Airlines: On Time 0.04%, Jet OUT: Late 0.04%, Neojets: Late 0.04%