ONT — Ontario International Airport
- IATA code
- ONT
- ICAO code
- KONT
- Size
- large
- OurAirports class
- Passengers
- 7,027,912
- Aug 2025 – Jul 2026
- Nonstop routes
- 87
- With open traffic data
- Time zone
- UTC−8 / UTC−7
- America/Los_Angeles
- Elevation
- 288 m
- 945 ft
- Runways
- 2
- Longest 3,718 m
Local time now: —
More codes: airport codes starting with O
About ONT
Ontario International Airport is a large airport serving Ontario, California, United States. It opened in 1949 and is run by Ontario International Airport Authority. 7,027,912 passengers used it in Aug 2025 – Jul 2026. Open traffic data shows 87 nonstop routes from ONT.
Wikidata (CC0) · US BTS T-100. Sources
Busiest nonstop routes from ONT
| Route | Distance | Passengers / year |
|---|---|---|
| ONT → DFW | 1,912 km | 743,327 |
| ONT → DEN | 1,317 km | 731,270 |
| ONT → PHX | 523 km | 685,179 |
| ONT → LAS | 317 km | 556,603 |
| ONT → SEA | 1,539 km | 541,058 |
| ONT → SMF | 627 km | 394,851 |
| ONT → ATL | 3,057 km | 304,141 |
| ONT → SFO | 585 km | 296,329 |
| ONT → TPE | 10,993 km | 290,733 |
| ONT → OAK | 582 km | 270,665 |
| ONT → SJC | 537 km | 238,619 |
| ONT → GDL | 2,057 km | 234,583 |
| ONT → SLC | 897 km | 223,352 |
| ONT → PDX | 1,349 km | 209,051 |
| ONT → IAH | 2,146 km | 164,459 |
| ONT → HNL | 4,189 km | 138,103 |
| ONT → DAL | 1,931 km | 116,760 |
| ONT → CLT | 3,345 km | 105,998 |
| ONT → BNA | 2,817 km | 100,430 |
| ONT → HOU | 2,164 km | 93,296 |
| ONT → MDW | 2,745 km | 90,313 |
| ONT → AUS | 1,926 km | 85,650 |
| ONT → ORD | 2,736 km | 79,782 |
| ONT → BWI | 3,674 km | 68,765 |
| ONT → JFK | 3,910 km | 54,367 |
| ONT → SAL | 3,675 km | 51,693 |
| ONT → MLM | 2,271 km | 36,732 |
| ONT → BJX | 2,147 km | 32,512 |
| ONT → SJD | 1,432 km | 25,801 |
| ONT → BOI | 1,062 km | 24,515 |
| ONT → STS | 680 km | 10,956 |
| ONT → SAN | 152 km | 8,012 |
| ONT → SNA | 49 km | 2,045 |
| ONT → BUR | 72 km | 2,008 |
| ONT → LAX | 76 km | 1,808 |
| ONT → KOA | 4,105 km | 981 |
| ONT → BOS | 4,130 km | 926 |
| ONT → PSP | 104 km | 908 |
| ONT → SAT | 1,877 km | 747 |
| ONT → RNO | 634 km | 689 |
Passengers on the route, both directions, over the period of each source: US DOT / BTS T-100 (Aug 2025 – Jul 2026) for routes touching the US, Eurostat (2024) for routes reported by European airports. Routes outside these are not counted.
Airlines at ONT
- WN Southwest Airlines · 23,416 flights
- AA American Airlines · 7,153 flights
- UA United Air Lines · 4,923 flights
- F9 Frontier Airlines · 4,461 flights
- AS Alaska Airlines · 4,161 flights
- DL Delta Air Lines · 3,718 flights
- OO SkyWest Airlines · 3,486 flights
- Y4 Concesionaria Vuela Compania De Aviacion SA de CV (Volaris) · 2,527 flights
- QX Horizon Air · 1,492 flights
- CI China Airlines · 701 flights
- JX STARLUX AIRLINES · 414 flights
- TA Taca International Airlines · 336 flights
- B6 JetBlue Airways · 330 flights
- MQ Envoy Air · 98 flights
Departures and arrivals on scheduled passenger flights, Aug 2025 – Jul 2026. U.S. DOT, Bureau of Transportation Statistics, T-100 Segment. Sources
Punctuality
- Departures on time
- 81%
- Within 15 minutes of schedule
- Cancelled
- 0.9%
- Departures counted
- 25,854
- US domestic flights
US domestic flights of the larger US airlines, Aug 2025 – Jul 2026. BTS Reporting Carrier On-Time Performance. Sources
Airports within 150 km
Distance from ONT to the major hubs
Runways
| Runway | Length | Width | Surface |
|---|---|---|---|
| 08L/26R | 3,718 m | 46 m | Concrete |
| 08R/26L | 3,109 m | 46 m | Concrete |
OurAirports (public domain). Sources
Location
Ontario, California, United States · 34.0560, -117.6010
Questions
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