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Ontario International (ONT)
Ontario, CA · ICAO KONT
May be behind, and covers the airport, not your flight. Check with your airline.
- FAA status now
- No delays
- Temperature
- 65°F
- Observed 10/30/2026, 1:53 PM PDT
- On-time arrivals, Aug 2026
- 75.0%
- 2,231 scheduled arrivals
- Canceled departures, Aug 2026
- 0.8%
Is ONT delayed right now?
Airport-wide delays, ground stops and closures from the FAA
No FAA-reported delays, ground stops or closures right now
FAA status as of 10/30/2026, 1:57 PM PDT. It covers the airport as a whole, not individual flights.
Weather at ONT
Latest airport observation (METAR) from the National Weather Service
- Temperature
- 65°F
- Dew point
- 54°F
- Wind
- From the WNW at 7 mph
- Visibility
- 10+ miles
- Lowest cloud ceiling
- 2,700 ft
- Pressure
- 29.90 inHg
- Flight category
- Marginal VFR
Observed 10/30/2026, 1:53 PM PDT at KONT (ONT). Raw report: METAR KONT 302053Z 29006KT 10SM BKN027 OVC049 18/12 A2990 RMK AO2 RAB41E49 SLP116 SHRA SW-W P0000 60000 T01830122 58012
ONT on-time arrivals by month
Share of scheduled arrivals that landed less than 15 minutes late. Canceled and diverted flights count as late.
August 2025 to August 2026. Only airlines that report to the Bureau of Transportation Statistics are included. Months with fewer than 30 flights are left out.
Airlines at ONT, August 2026
Departures by reporting airline
| Airline | Departures | Left on time | Canceled | Avg. delay |
|---|---|---|---|---|
| Southwest Airlines Co. (WN) | 966 | 79.0% | 0.5% | 13 min |
| Frontier Airlines Inc. (F9) | 248 | 75.0% | 2.4% | 13 min |
| American Airlines Inc. (AA) | 232 | 81.9% | 0.0% | 24 min |
| United Air Lines Inc. (UA) | 209 | 78.9% | 0.0% | 15 min |
| Alaska Airlines Inc. (AS) | 200 | 81.0% | 0.5% | 13 min |
| SkyWest Airlines Inc. (OO) | 200 | 87.0% | 0.0% | 9 min |
| Delta Air Lines Inc. (DL) | 142 | 83.8% | 1.4% | 12 min |
| JetBlue Airways (B6) | 31 | 41.9% | 12.9% | Not reported |
Average delay is the total minutes late divided by all flights that operated, including flights that left early or on time. Fewer than 30 flights shows as Not reported.
Average fare from ONT
Domestic itineraries, Q2 2026
$448.99 compared with $445.26 nationwide, +19.5% from a year earlier.
Bureau of Transportation Statistics, 10% ticket sample. Compare airports
Arriving from another country?
Customs and immigration waits at U.S. international airports are published by U.S. Customs and Border Protection at awt.cbp.gov. Check the State Department travel advisory for your destination before you fly.
Frequently asked questions
- Is ONT airport delayed today?
- As of 10/30/2026, 1:57 PM PDT, the FAA reports no airport-wide delays, ground stops or closures at ONT. Individual flights can still be late, so check with your airline.
- What is the on-time rate at ONT?
- In August 2026, 75.0% of 2,231 scheduled arrivals at ONT landed less than 15 minutes late, according to the Bureau of Transportation Statistics.
- Which airlines fly from ONT?
- In August 2026, reporting airlines at ONT included Southwest Airlines Co, Frontier Airlines Inc, American Airlines Inc, United Air Lines Inc, Alaska Airlines Inc, SkyWest Airlines Inc. Other airlines may also serve the airport.
- How long is the longest runway at ONT?
- The longest runway at Ontario International is runway 08L/26R, 12,197 feet long, according to FAA records.
- What airports are near ONT?
- Nearby airports with airline service include San Bernardino International (SBD, 21 mi), John Wayne/Orange County (SNA, 30 mi), Long Beach (Daugherty Field) (LGB, 36 mi), Southern California Logistics (VCV, 39 mi).
Source: FAA National Airspace System Status, FAA NASR, NOAA Aviation Weather Center, Bureau of Transportation Statistics