Ontario International Airport
Ontario International Airport (KONT/ONT) is a large international airport located in Ontario, CA. It features 2 runways with the longest being 12,197 feet. SkyMeter has observed roughly 130 arrivals and 162 departures per day on average over the last 7 days, served by 31 carriers across 67 routes. Cargo carriers account for about 25% of observed flights, with FedEx, UPS and others operating alongside passenger service. The most active carrier is Southwest Airlines CO. (san Antonio (SWA). The busiest route is to Denver International Airport (KDEN). On-time performance averages 9% with an average delay of 83 minutes against scheduled times. At the busiest hour of an average day, we calculated that a plane takes off or lands roughly every 360 seconds.
Safety incidents
Last 7 days · 3 total
Current weather
Latest METAR observation
Runways
2 installed
Delays by hour
Avg minutes · local time · last 30 days
Top carriers
Share of flights
Top destinations
By flight count
Carriers
Show 33 more carriers →
UAL
Communications Frequencies
2026-05-14| Type | Freq (MHz) | Hours |
|---|---|---|
| GND | 121.900 | 24 |
| GND | 257.800 | 24 |
| ATIS | 124.250 | 24 |
| APCH | 127.000 | — |
| APCH | 134.000 | — |
| APCH | 135.400 | — |
| APCH | 278.300 | — |
| APCH | 318.200 | — |
| APCH | 377.125 | — |
| LCL/P | 120.600 | 24 |
| EMERG | 121.500 | 24 |
| SNSHN DP | 125.500 | — |
| POMONA D | 125.500 | — |
| CLASS C | 125.500 | — |
| SCBBY ST | 126.700 | — |
| ZIGGY ST | 127.000 | — |
| SETER ST | 127.000 | — |
| CLASS C | 127.000 | — |
| KARLB ST | 127.400 | — |
| CD/P | 132.900 | 24 |
| SCBBY ST | 134.000 | — |
| CLASS C | 134.000 | — |
| RAJEE DP | 135.400 | — |
| EMERG | 243.000 | 24 |
| KARLB ST | 263.025 | — |
| SCBBY ST | 278.300 | — |
| CLASS C | 278.300 | — |
| CLASS C | 318.200 | — |
| SETER ST | 318.200 | — |
| ZIGGY ST | 318.200 | — |
| POMONA D | 349.000 | — |
| CLASS C | 349.000 | — |
| SNSHN DP | 349.000 | — |
| LCL/P | 360.775 | 24 |
| SCBBY ST | 370.950 | — |
| RAJEE DP | 377.125 | — |
Airport operations
- ARTCC:
- ZLA
- Mag var:
- 12° E
- Fuel:
- 100LL
Destination network
Great-circle routes from KONT · last 7d
Hourly traffic
Avg movements per hour · local time · last 30 days
Top routes
Click any segment for full inspection
| Route | Operator | Flights | Avg enroute |
|---|---|---|---|
ONTSMF Sacramento, US |
SWA
Southwest Airlines CO. (san Antonio |
72 | 1h 12m |
ONTLAS Las Vegas, US |
SWA
Southwest Airlines CO. (san Antonio |
55 | 1h 0m |
ONTDFW Dallas-Fort Worth, US |
AAL
American Airlines |
54 | 2h 46m |
ONTPHX Phoenix, US |
SWA
Southwest Airlines CO. (san Antonio |
51 | 1h 4m |
ONTOAK Oakland, US |
SWA
Southwest Airlines CO. (san Antonio |
44 | 1h 20m |
ONTSEA Seattle, US |
SKW
SKY West Aviation |
42 | 2h 30m |
ONTSEA Seattle, US |
ASA
Alaska Airlines |
40 | 2h 25m |
ONTSDF Louisville, US |
UPS
United Parcel Service |
38 | 3h 48m |
ONTDEN Denver, US |
SWA
Southwest Airlines CO. (san Antonio |
37 | 2h 9m |
ONTSJC San Jose, US |
SWA
Southwest Airlines CO. (san Antonio |
36 | 1h 14m |
ONTSLC Salt Lake City, US |
DAL
Delta AIR Lines |
33 | 1h 36m |
ONTATL Atlanta, US |
DAL
Delta AIR Lines |
32 | 4h 12m |
ONTDEN Denver, US |
UAL
United Airlines |
31 | 2h 8m |
ONTPHX Phoenix, US |
AAL
American Airlines |
27 | 1h 7m |
ONTDEN Denver, US |
FFT
Frontier Airlines |
24 | 2h 16m |
ONTPDX Portland, US |
QXE
Horizon AIR Industries |
23 | 2h 13m |
ONTLAS Las Vegas, US |
FFT
Frontier Airlines |
23 | 1h 17m |
ONTSFO San Francisco, US |
UAL
United Airlines |
23 | 1h 17m |
ONTMEM Memphis, US |
FDX
Federal Express |
22 | 3h 33m |
ONTSMX Santa Maria, US |
PCM
Westair Industries |
20 | 1h 17m |