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| Current local time | 20:31:00 Monday 15.12.2025 |
| Time zone | UTC - 08:00 |
| Demand calculation | 03:15:42 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) | 8 |
| Slot Availability | 94% |
| Min. transfer time | 01:00h |
| Nighttime ban | no nighttime ban |
| Noise restrictions | no noise restrictions |
| Passengers | ![]() |
| Cargo | ![]() |
| 2025-12-14 20:41 UTC | Idaho Airways has opened a new station at Ontario. |
| 2025-12-13 22:18 UTC | Western Skyways has opened a new station at Ontario. |
| 2025-12-12 10:43 UTC | Central Feeder has opened a new station at Ontario. |
| 2025-12-06 19:25 UTC | Green Hawk has opened a new station at Ontario. |
| 2025-12-06 12:52 UTC | FlyZoom has opened a new station at Ontario. |
| 2025-12-03 13:41 UTC | Wasatch Air has opened a new station at Ontario. |
| 2025-11-29 14:42 UTC | NorthStar Cargo has opened a new station at Ontario. |
| 2025-11-28 19:28 UTC | MidWest Air has opened a new station at Ontario. |
| 2025-11-28 04:24 UTC | Air Galaxy has opened a new station at Ontario. |
| 2025-11-24 01:47 UTC | HongMei Airways has opened a new station at Ontario. |
| 2025-11-21 07:14 UTC | Arlington Regional has opened a new station at Ontario. |
| 2025-11-21 01:15 UTC | LILLY AIR have shut down their station at Ontario. |
| 2025-11-21 01:14 UTC | LILLY AIR has opened a new station at Ontario. |
| 2025-11-19 03:26 UTC | Monument Logistics, based at Ontario, has ceased operations. All shares have been returned or liquidated. |
| 2025-11-18 21:13 UTC | ONE Cargo and Monument Logistics have signed a new interlining agreement. |
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 Franco | 13 Departures | |||
|
|
Air Galaxy | 7 Departures | |||
|
|
Arlington Air | 14 Departures | |||
| Bella Vista | 7 Departures | ||||
|
|
Bizlinc | 21 Departures | |||
|
|
Central Express | 146 Departures | |||
| Central Feeder | 0 Departures | ||||
| Coastal Elite Airways | 0 Departures | ||||
| Fly By Airways | 84 Departures | ||||
|
|
Gamma Airways | 7 Departures | |||
| Global Express | 7 Departures | ||||
| Green Hawk | 4 Departures | ||||
|
|
Hakutaka | 14 Departures | |||
|
|
HiKai | 10 Departures | |||
| Idaho Airways | 7 Departures | ||||
| Las Vegas Air | 7 Departures | ||||
| Lynx Aviation | 7 Departures | ||||
| Mid-American-Wings | 7 Departures | ||||
|
|
Polaris Airlines | 42 Departures | |||
| Sierra Skies | 0 Departures | ||||
|
|
SkyLink America | 68 Departures | |||
|
|
Southern California Airlines | 7 Departures | |||
| TransTropical Air Lines | 0 Departures | ||||
| Western Skyways | 0 Departures | ||||