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| Current local time | 05:04:17 Wednesday 10.12.2025 |
| Time zone | UTC - 08:00 |
| Demand calculation | 07:25:53 UTC |
| IATA code | ONT |
| ICAO code | KONT |
| IATA Area | Traffic Conference 1 |
| IATA Sub-Area | North America |
| Region | California |
| Country | USA |
| Continent | North America |
| Runway | 3,717 m |
| Airport size | Above-average sized airport |
| Slots (per 5 minutes) | 16 |
| Slot Availability | 100% |
| Min. transfer time | 01:00h |
| Nighttime ban | no nighttime ban |
| Noise restrictions | no noise restrictions |
| Passengers | ![]() |
| Cargo | ![]() |
| 2025-12-10 08:01 UTC | Evergreen International Airlines has opened a new station at Ontario. |
| 2025-12-06 15:23 UTC | UPS Airlines has opened a new station at Ontario. |
| 2025-12-04 22:25 UTC | Air Canada has opened a new station at Ontario. |
| 2025-12-04 18:21 UTC | United Airlines has opened a new station at Ontario. |
| 2025-12-04 12:29 UTC | Virgin America has opened a new station at Ontario. |
| 2025-12-04 08:56 UTC | Lufthansa Cargo has opened a new station at Ontario. |
| 2025-12-03 21:44 UTC | Alaska Airlines has opened a new station at Ontario. |
There are thousands of airports and hundreds of countries in AirlineSim. Consequently, data are bound to be wrong sometimes. In case you came across any mistake - like wrong values, missing airports or naming errors - please send your findings, your sources and a detailed description of the issue to support@airlinesim.aero. Thank you very much for your support!
| Enterprise | IL | Weekly departures | Flight schedule | ||
|---|---|---|---|---|---|
|
|
Air Canada | 0 Departures | |||
|
|
Alaska Airlines | 28 Departures | |||
| Evergreen International Airlines | 7 Departures | ||||
| Lufthansa Cargo | 0 Departures | ||||
| United Airlines | 0 Departures | ||||
| UPS Airlines | 28 Departures | ||||
|
|
Virgin America | 7 Departures | |||