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 6,113 flights took off or landed Ontario International Airport in November 2025

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

The following airlines operate flights to or from Ontario International Airport: NetJets, Southwest Airlines, Air Transport International, Frontier, Flexjet, Alaska Airlines, Delta Air Lines, West Air, FedEx Feeder, Silver Air, Vista America, Volaris, American Airlines, United Airlines, flyExclusive, Solairus Aviation, Summit Aviation, Sun Country Airlines, Dreamline Aviation, Delta Connection, Baker Aviation, China Airlines, Craft Charter, Diamond Aviation, Executive Jet Management, AeroGuard Flight Training Center, avianca, avianca El Salvador, Avion Express Malta, Alaska Horizon, Alaska SkyWest, Alpine Air Express, Thrive, Starlux, United Aviate Academy, Ventura, Omni Air International, Hera Flight, KaiserAir

The following destinations have flight connections with Ontario International Airport: Los Angeles, Seattle, Phoenix, San Diego, Las Vegas, Denver, Burbank, Dallas, San Jose, Portland, Sacramento, Salt Lake City, Maui, San Francisco, Oakland, Santa Maria, Honolulu, Houston, Long Beach, Kona, Lancaster, Chicago, Carlsbad, Charlotte, Bakersfield, San Salvador, Taipei, Teterboro, Ventura, San Luis Obispo, Santa Ana, Santa Barbara, Oklahoma City, Palm Springs, Waukegan, Wilmington, St Louis, Sun Valley, Miami, Midland, Milwaukee, Minneapolis, Monterey, Murray, Nashville, San Antonio, San Bernardino, Provo, Rifle, Rockford, Aspen, Atlanta, Austin, Guadalajara, León, Morelia, San Jose Del Cabo, Baltimore, Bishop, Boise, Bremerton, Cheyenne, Carson City, Fort Smith, Inyokern, Kauai Island, Kentucky, Laramie, La Verne, Mammoth Lakes

1846 flights (70.16%) flights arrived on time to Ontario International Airport. (November 2025)

739 flights (November 2025)

46 flights (1.75%) flights to Ontario International Airport were cancelled. (November 2025)

The arrival status of flights to Ontario International Airport segmented by Airline are listed here...Southwest Airlines: On Time 26.34%, Southwest Airlines: Late 10.57%, American Airlines: On Time 7.98%, Frontier: On Time 5.70%, FedEx Feeder: On Time 5.66%, United Airlines: On Time 5.13%, Alaska Airlines: On Time 5.02%, Delta Air Lines: On Time 4.18%, Delta Connection: On Time 3.76%, American Airlines: Late 3.69%, Volaris: On Time 3.46%, FedEx Feeder: Late 2.51%, Frontier: Late 2.32%, United Airlines: Late 2.32%, Alaska Airlines: Late 2.17%, Delta Air Lines: Late 1.25%, Alaska Horizon: On Time 0.99%, Volaris: Late 0.76%, Southwest Airlines: Cancelled 0.68%, China Airlines: On Time 0.61%, China Airlines: Late 0.49%, avianca: On Time 0.49%, NetJets: On Time 0.46%, Delta Connection: Late 0.38%, American Airlines: Cancelled 0.38%, STARLUX: On Time 0.30%, Starlux: Late 0.30%, Southwest Airlines: Very Late 0.27%, Alaska Airlines: Cancelled 0.27%, Delta Air Lines: Cancelled 0.23%, Flexjet: Late 0.23%, flyExclusive: Late 0.15%, NetJets: Late 0.11%, Vista America: Late 0.11%, United Airlines: Very Late 0.08%, Sun Country Airlines: Late 0.08%, United Airlines: Cancelled 0.08%, Dreamline Aviation: Late 0.08%, Alaska Horizon: Late 0.08%, Alaska Horizon: Cancelled 0.04%, American Airlines: Very Late 0.04%, Baker Aviation: On Time 0.04%, Baker Aviation: Late 0.04%, Sun Country Airlines: On Time 0.04%, Frontier: Cancelled 0.04%, Hera Flight: Late 0.04%, KaiserAir: Late 0.04%, Volaris: Cancelled 0.04%