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| Current local time | 09:52:07 Sunday 18.01.2026 |
| Time zone | UTC - 08:00 |
| 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 | 98% |
| Min. transfer time | 01:00h |
| Nighttime ban | no nighttime ban |
| Noise restrictions | no noise restrictions |
| Passengers | ![]() |
| Cargo | ![]() |
| 2026-01-18 05:38 UTC | ONTAirways has opened a new station at Everett. |
| 2026-01-18 05:01 UTC | ONTAirways has opened a new station at San Antonio, TX, US. |
| 2026-01-18 05:01 UTC | ONTAirways has opened a new station at Elim. |
| 2026-01-18 05:01 UTC | ONTAirways has opened a new station at Colorado Springs. |
| 2026-01-16 14:52 UTC | ONTAirways and Mexican Air have signed a new interlining agreement. |
| 2026-01-16 03:20 UTC | ONTAirways has opened a new station at Mexico City. |
| 2026-01-15 18:19 UTC | ONTAirways has opened a new station at Tijuana. |
| 2026-01-15 18:18 UTC | ONTAirways has opened a new station at Phoenix Mesa Gateway. |
| 2026-01-15 16:57 UTC | ONTAirways has opened a new station at Redmond. |
| 2026-01-15 16:57 UTC | ONTAirways have shut down their station at Tucuman. |
| 2026-01-15 16:56 UTC | ONTAirways has opened a new station at Tucson. |
| 2026-01-15 16:56 UTC | ONTAirways has opened a new station at Tucuman. |
| 2026-01-15 16:55 UTC | ONTAirways has opened a new station at Las Vegas Harry Reid. |
| 2026-01-15 16:55 UTC | ONTAirways has opened a new station at Reno. |
| 2026-01-15 16:55 UTC | ONTAirways has opened a new station at Spokane. |
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 MEI GUO BUSINESS | 0 Departures | ||||
| Ancient Wings Air | 7 Departures | ||||
|
|
Aurora North Aviation | 7 Departures | |||
| Gevelair | 0 Departures | ||||
| LAKAIR Cargo | 0 Departures | ||||
| Mahjong Airlines | 7 Departures | ||||
| ONTAirways | 95 Departures | ||||
| SnowCrane Airline | 0 Departures | ||||
|
|
Standards Air | 21 Departures | |||
| Ventura Airways | 0 Departures | ||||