Ontario International Airport
Daylight today(Aug 30, 2026, local time)
About 12h 57m of daylight. Civil twilight (dawn/dusk) approximates the FAA definition of night for logging and currency. Times are computed and approximate — verify with official sources.
About Ontario International Airport
Ontario International Airport is an international airport 2 mi (3.2 km) east of downtown Ontario, in San Bernardino County, California, United States, about 38 mi (61 km) east of downtown Los Angeles and 18 mi (29 km) west of downtown San Bernardino. It is owned and operated under a joint-powers agreement with the city of Ontario and San Bernardino County.
Summary from Wikipedia, photo via Wikimedia Commons, licensed under CC BY-SA.
Live weather
KONTNOTAMs
KONTReference only — not an official briefing. Always obtain a certified briefing (e.g. 1800wxbrief.com / your AIS) before flight.
NOTAM data via the FAA NOTAM system.
Live departures & arrivals
Flight data by AeroDataBox. Times are estimates — not for navigation; confirm with the airline.
Where you can fly from here
Current scheduled routes & daily frequency by AeroDataBox. Approximate — confirm bookable schedules with the airline.
Live traffic nearby
Aircraft currently within ~40 nm, from live ADS-B. Positions are approximately real-time — not for navigation.
Live ADS-B by adsb.lol & the OpenSky Network. Not for navigation.
Map
Runway centrelines, navaids and overlapping airspace. Tiles © OpenStreetMap contributors. Reference only — not for navigation.
Runways (2)
| Runway | Length | Width | Surface | Lighting | Status |
|---|---|---|---|---|---|
| 08L / 26R▸ displaced | 12,197 ft / 3,718 m | 150 ft | Con | Lighted | Open |
| 08R / 26L | 10,200 ft / 3,109 m | 150 ft | Con | Lighted | Open |
Radio frequencies (5)
| Type | Description | Frequency |
|---|---|---|
| A/D | SOCAL APP/DEP | 119.650 MHz |
| ATIS | ATIS | 124.250 MHz |
| CLD | CLNC DEL | 118.100 MHz |
| GND | GND | 121.900 MHz |
| TWR | TWR | 120.600 MHz |
Services & operations
ONT offers up to 90 daily nonstop flights to 30 destinations.
From the airport’s official website — details may change, so confirm with the airport. Official site
Navaids(1)
Airlines & destinations
Route data from OpenFlights — historical and may be out of date. Check current schedules.
Instrument procedures & charts
Airport diagram (1)
Instrument approaches (4)
Departure procedures (SIDs) (4)
Arrivals (STARs) (4)
Takeoff & alternate minimums (2)
Runway hot spots (1)
Showing 16 of 33 FAA procedures on this overview. Always fly the current, official chart. Full charts page.
Airspace in this area(2)
| Name | Class | Type | Floor | Ceiling |
|---|---|---|---|---|
| ONTARIO INTL AIRPORT CLASS C | Class C | Controlled | 2700 ft MSL | 5000 ft MSL |
| ONTARIO INTL AIRPORT CLASS C | Class C | Controlled | GND | 5000 ft MSL |
Approximate bounding-box match from OpenAIP · all United States airspace. Reference only — consult official charts for exact boundaries and status.
Weather by month
Share of VFR / marginal-VFR / IFR / low-IFR conditions by month over the last 8 years, with the prevailing wind and typical density altitude. Historical climatology — not a forecast.
Prevailing wind: WSW (from about 247.5°), on 31% of observations, averaging 7 kt.
| Month | VFR / MVFR / IFR / LIFR | % VFR | Median DA |
|---|---|---|---|
| Jan | 85% | 709 ft | |
| Feb | 86% | 725 ft | |
| Mar | 84% | 869 ft | |
| Apr | 83% | 1,162 ft | |
| May | 72% | 1,344 ft | |
| Jun | 78% | 1,818 ft | |
| Jul | 93% | 2,317 ft | |
| Aug | 94% | 2,391 ft | |
| Sep | 86% | 2,136 ft | |
| Oct | 85% | 1,649 ft | |
| Nov | 86% | 1,084 ft | |
| Dec | 82% | 704 ft |
VFR MVFR IFR LIFR· density altitude ranges ~704–2,391 ft through the year· Source: NWS/IEM ASOS archive.
Tall obstacles nearby
| Obstacle | Height AGL | Top (MSL) | Lit |
|---|---|---|---|
| Verizon Wireless | 650 ft | 561 ft | — |
| Obstacle | 259 ft | 1,112 ft | — |
| Obstacle | — | 1,066 ft | — |
Tallest obstacles within ~10 nm. Data via OpenAIP. Reference only — consult official charts.
Nearby airports
Great-circle distance and true bearing from Ontario International Airport.
Frequently asked questions
What is the ICAO code for Ontario International Airport?
The ICAO code for Ontario International Airport is KONT, and its IATA code is ONT.
Where is Ontario International Airport located?
Ontario International Airport is large airport located in Ontario, United States, at an elevation of 944 ft (288 m).
How many runways does Ontario International Airport have?
Ontario International Airport has 2 runways, the longest being 12,197 ft / 3,718 m.
Which airlines fly to Ontario International Airport?
Airlines historically serving Ontario International Airport include AeroMéxico, AirTran Airways, Alaska Airlines, American Airlines, Delta Air Lines, Southwest Airlines, among 9 carriers (based on OpenFlights route data, which may be out of date).
How many destinations are served from Ontario International Airport?
Historical data lists 14 nonstop destinations from Ontario International Airport. Always check current schedules.
What time zone is Ontario International Airport in?
Ontario International Airport is in the America/Los Angeles time zone (UTC-07:00).
What is the magnetic variation at Ontario International Airport?
The magnetic variation (declination) at Ontario International Airport is approximately 11.2° E, per the World Magnetic Model. Variation changes slowly over time — always use the current value charted for navigation.
What airports are near Ontario International Airport?
The nearest airport to Ontario International Airport is Chino Airport (CNO), about 5.2 nm to the ssw, followed by Upland-Cable Airport and Brackett Field.
Is the information on this page suitable for flight planning?
No. Ontario International Airport data here is for reference and training only — not for navigation. Always consult official sources and current charts before any flight.