Ontario International Airport

Compiled by Bill Gao

Ontario, California (United States)

IATA: ONT ICAO: KONT

Longest Active Runway

12,197 ft

3,718 meters

Field Elevation

944 ft

288 m MSL

Runway Inventory

2 active

Lighted / Paved

Coordinates & Class

34.0560°, -117.6010°

LARGE AIRPORT

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Multi-Universe Rankings & Statistical Standing

How ranks work →

RunwayFacts Published Dataset

#156 of 650

In curated primary commercial index

Global Commercial Universe

#241 of 7558

Top 3.2% percentile worldwide

National Standing (United States)

#14 of 63 in US

#50 of 2020 in full national registry

vs Large Airport Median

+22%

Compared to 10,000 ft baseline

💡 ONT in numbers: 12,197 ft longest runway · #156 of 650 published · #241 of 7,558 worldwide (top 3.2%) · #14 in United States.

🔬 Operational & Aerodrome Engineering Comparative Analysis

Longest runway ≥10,500 ft

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Elevation & National Context

Lowland Aerodrome (<2,000 ft)

ONT lies at 288 m (944 ft), #201 of 650 published airports by elevation and 65.4 percentile among 7,558 worldwide. It is 337 ft above the United States median (607 ft, 63 airports); COS is highest at 6,187 ft, 5,243 ft higher than ONT.

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Regional Density & Alternates (100 NM)

4 Qualifying Aerodromes in Vicinity

Closest of 4 paved-runway (≥5,000 ft) neighbours within 100 NM: San Bernardino International Airport (SBD), 18.3 NM, 10,000 ft. Next: LGB 30.9 NM, LAX 40.7 NM, PSP 56.2 NM. LAX has the radius's longest runway, 697 ft more than ONT.

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Runway Inventory & National Standing

Primary Runway: 12,197 ft (3,718 m)

ONT runways: 08L/26R 12,197 × 150 ft concrete (con); 08R/26L 10,200 × 150 ft concrete (con). National standing: #14 of 63 in United States; DEN leads by 3,803 ft (16,000 ft). +22% vs the 10,000 ft baseline.

🛫 Physical Runway Inventory & Surface Engineering

Runway Designator	Length (ft / m)	Width (ft / m)	Surface Material	Lighting	Status
08L/26R	12,197 ft (3718 m / 3.718 km)	150 ft (46m)	`Concrete (CON)`	✅ Lighted	✅ Active
08R/26L	10,200 ft (3109 m / 3.109 km)	150 ft (46m)	`Concrete (CON)`	✅ Lighted	✅ Active

🧭 Comparative Aerodromes (100 NM Radius, ≥5,000 ft Paved)

Great-circle Haversine spatial proximity matching for commercial facilities with paved runway capacity within 100 NM.

Aerodrome Name	IATA	Distance	Longest Runway	Lighting
San Bernardino International Airport (San Bernardino)	`SBD`	18.3 NM (33.9 km)	10,000 ft	✅ Lighted
Long Beach International Airport (Long Beach)	`LGB`	30.9 NM (57.2 km)	10,000 ft	✅ Lighted
Los Angeles International Airport (Los Angeles)	`LAX`	40.7 NM (75.4 km)	12,894 ft	✅ Lighted
Palm Springs International Airport (Palm Springs)	`PSP`	56.2 NM (104.1 km)	10,000 ft	✅ Lighted

🛡️ Source: OurAirports Open Aviation Database, snapshot 2026-09-01 · Provenance →