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| Current local time | 16:41:11 Wednesday 19.08.2026 |
| 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 | 90% |
| Min. transfer time | 01:00h |
| Nighttime ban | no nighttime ban |
| Noise restrictions | no noise restrictions |
| Passengers | ![]() |
| Cargo | ![]() |
| 2026-08-15 19:52 UTC | Executive Select has opened a new station at Ontario. |
| 2026-08-15 19:45 UTC | Smokey Airways has opened a new station at Ontario. |
| 2026-08-13 03:41 UTC | HongMei Airlines has opened a new station at Ontario. |
| 2026-08-12 22:37 UTC | Beta Cargo has opened a new station at Ontario. |
| 2026-08-02 18:49 UTC | Block II Air Operations has opened a new station at Ontario. |
| 2026-07-29 14:30 UTC | Freight Operations Group has opened a new station at Ontario. |
| 2026-07-18 03:03 UTC | Nomadic Air Cargo has opened a new station at Ontario. |
| 2026-07-13 02:16 UTC | Air Tennessee has opened a new station at Ontario. |
| 2026-07-12 05:46 UTC | HongMei Cargo has opened a new station at Ontario. |
| 2026-07-06 15:29 UTC | Global Air Cargo has opened a new station at Ontario. |
| 2026-06-27 06:29 UTC | Aprilia Airlines has opened a new station at Ontario. |
| 2026-06-22 19:20 UTC | Budjet has opened a new station at Ontario. |
| 2026-06-15 04:11 UTC | Monja Blanca Airlines has opened a new station at Ontario. |
| 2026-06-05 22:58 UTC | Western Express has opened a new station at Ontario. |
| 2026-06-01 22:03 UTC | Western Express 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 | ||
|---|---|---|---|---|---|
|
|
Arlington Air | 14 Departures | |||
|
|
Beta Cargo | 7 Departures | |||
| Canada Connect | 7 Departures | ||||
|
|
Central Express | 218 Departures | |||
| Commonwealth Airways | 0 Departures | ||||
| Executive Select | 0 Departures | ||||
| Florida Air System | 7 Departures | ||||
| Fly Bahamas | 7 Departures | ||||
| Fly By Airways | 196 Departures | ||||
| Fly By Airways Southern | 14 Departures | ||||
| Guo Air | 7 Departures | ||||
|
|
Hakutaka | 14 Departures | |||
| HongMei Airlines | 0 Departures | ||||
| HongMei Cargo | 84 Departures | ||||
| Horizon West | 41 Departures | ||||
| Las Vegas Air | 41 Departures | ||||
|
|
Monja Blanca Airlines | 7 Departures | |||
|
|
Nightline | 7 Departures | |||
|
|
ONE EXPRESS | 7 Departures | |||
| Paso Airways | 0 Departures | ||||
|
|
Russian Royal Cargo | 0 Departures | |||
|
|
SkyLink America | 98 Departures | |||
|
|
Southern California Airlines | 35 Departures | |||