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 6,273 flights took off or landed Ontario International Airport in August 2025

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

The following airlines operate flights to or from Ontario International Airport: NetJets, Flexjet, Southwest Airlines, Air Transport International, FedEx Feeder, Frontier, United Airlines, National Airlines, Volaris, West Air, West Coast Charters, Aerolink Uganda, Alaska Airlines, American Airlines, Delta Air Lines, Delta Connection, Dreamline Aviation, ATI Jet, Baker Aviation, AeroGuard Flight Training Center, Regency Air, STAjets, Silver Air, Frontier Airlines, Vista America, Sunwest Aviation, United Aviate Academy, United Express, Virgin Australia, Thrive, Worldwide Jet Charter, Hawaiian Airlines, Jet Linx Aviation, JetBlue, Journey Aviation, Lufthansa Aviation Training USA, Mira Vista Aviation, SkyWest Airlines, Solairus Aviation, Starlux, SC Aviation, Advanced Air, American Eagle, American Jet International, Alaska Horizon, Alaska SkyWest, Allegiant Air, Alpine Air Express, BellAir, China Airlines, avianca, Avion Express Malta, Eastern Airlines, Executive Jet Management

The following destinations have flight connections with Ontario International Airport: Los Angeles, Las Vegas, Phoenix, San Francisco, Santa Ana, Seattle, Portland, Dallas, Denver, Bakersfield, Santa Barbara, San Jose, Santa Maria, Salt Lake City, San Bernardino, Burbank, Goodyear, Honolulu, Houston, Hawthorne, Kona, Austin, Chicago, Taipei, San Diego, Medford, Nashville, New York, San Luis Obispo, Ventura, Teterboro, Thermal, Tulsa, Visalia, Williamsport, Wilmington, Sanford, Sun Valley, Tacoma, Oakland, Oklahoma City, Ontario, Palm Springs, Monterey, Mount Vernon, Mountain View, Napa, Long Beach, Rifle, Riverside, Rockford, Sacramento, Atlanta, Baltimore, Bishop, Carlsbad, Charlotte, Cheyenne, Calgary, Richmond, San Salvador, Guadalajara, León, Morelia, San Jose Del Cabo, San Juan, Harlingen, Detroit, Dubuque, Lancaster, Hayden, Indianapolis, Inyokern, Kentucky

1956 flights (69.51%) flights arrived on time to Ontario International Airport. (August 2025)

842 flights (August 2025)

16 flights (0.57%) flights to Ontario International Airport were cancelled. (August 2025)

The arrival status of flights to Ontario International Airport segmented by Airline are listed here...Southwest Airlines: On Time 24.31%, Southwest Airlines: Late 10.31%, United Airlines: On Time 5.86%, FedEx Feeder: On Time 5.83%, American Airlines: On Time 5.76%, Frontier: On Time 5.37%, Delta Air Lines: On Time 5.26%, American Airlines: Late 4.02%, Alaska Airlines: On Time 3.55%, Volaris: On Time 3.48%, Delta Connection: On Time 3.23%, United Airlines: Late 2.45%, Alaska Airlines: Late 2.45%, Frontier: Late 2.20%, FedEx Feeder: Late 1.92%, Delta Air Lines: Late 1.56%, Alaska Horizon: On Time 1.42%, American Eagle: On Time 1.07%, Alaska Horizon: Late 0.96%, China Airlines: On Time 0.71%, JetBlue: On Time 0.64%, avianca: On Time 0.60%, Delta Connection: Late 0.57%, Volaris: Late 0.50%, NetJets: On Time 0.46%, JetBlue: Late 0.46%, Flexjet: On Time 0.43%, Starlux: On Time 0.39%, China Airlines: Late 0.36%, American Airlines: Very Late 0.36%, Alaska SkyWest: On Time 0.32%, American Airlines: Cancelled 0.28%, Flexjet: Late 0.25%, Starlux: Late 0.25%, Southwest Airlines: Very Late 0.21%, United Airlines: Very Late 0.18%, West Coast Charters: On Time 0.11%, Frontier: Very Late 0.11%, Southwest Airlines: Cancelled 0.11%, Alaska SkyWest: Late 0.11%, Virgin Australia: On Time 0.11%, Vista America: On Time 0.07%, AeroGuard Flight Training Center: On Time 0.07%, Delta Air Lines: Cancelled 0.07%, Silver Air: On Time 0.07%, Silver Air: Late 0.07%, United Express: On Time 0.07%, Sunwest Aviation: On Time 0.07%, Thrive: Late 0.04%, United Aviate Academy: On Time 0.04%, United Aviate Academy: Late 0.04%, United Express: Very Late 0.04%, West Coast Charters: Late 0.04%, NetJets: Late 0.04%, Regency Air: Late 0.04%, Frontier Airlines: Late 0.04%, Jet Linx Aviation: Late 0.04%, Journey Aviation: On Time 0.04%, Lufthansa Aviation Training USA: On Time 0.04%, National Airlines: On Time 0.04%, AeroGuard Flight Training Center: Late 0.04%, Airtec: Late 0.04%, Alaska Airlines: Cancelled 0.04%, Alaska Airlines: Very Late 0.04%, Alaska Horizon: Cancelled 0.04%, Allegiant Air: On Time 0.04%, Advanced Air: Late 0.04%, Frontier: Cancelled 0.04%, China Airlines: Very Late 0.04%, Delta Air Lines: Very Late 0.04%, avianca: Late 0.04%, Baker Aviation: On Time 0.04%, BellAir: Late 0.04%, American Eagle: Late 0.04%, American Jet International: On Time 0.04%, ATI Jet: Late 0.04%