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 12,198 feet. SkyMeter has observed roughly 98 arrivals and 110 departures per day on average over the last 7 days, served by 27 carriers across 56 routes. Cargo carriers account for about 19% 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 Phoenix Sky Harbor International Airport (KPHX). On-time performance averages 71% with an average delay of 9 minutes against scheduled times. At the busiest hour of an average day, we calculated that a plane takes off or lands roughly every 164 seconds.
Safety incidents
Last 7 days · 1 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 28 more carriers →
ASA
Communications Frequencies
2026-06-11| Type | Freq (MHz) | Hours |
|---|---|---|
| TWR | 120.600 | 24 |
| TWR | 360.775 | 24 |
| GND | 121.900 | 24 |
| GND | 257.800 | 24 |
| ATIS | 124.250 | 24 |
| APCH | 125.500 | — |
| APCH | 127.000 | — |
| APCH | 134.000 | — |
| APCH | 135.400 | — |
| APCH | 278.300 | — |
| APCH | 318.200 | — |
| APCH | 349.000 | — |
| APCH | 377.125 | — |
| LCL/P | 120.600 | 24 |
| EMERG | 121.500 | 24 |
| OTHER | 125.500 | — |
| SNSHN DP | 125.500 | — |
| CLASS C | 125.500 | — |
| POMONA D | 125.500 | — |
| OTHER | 126.700 | — |
| SCBBY ST | 126.700 | — |
| OTHER | 127.000 | — |
| SETER ST | 127.000 | — |
| CLASS C | 127.000 | — |
| ZIGGY ST | 127.000 | — |
| OTHER | 127.400 | — |
| KARLB ST | 127.400 | — |
| OTHER | 132.900 | 24 |
| CD/P | 132.900 | 24 |
| OTHER | 134.000 | — |
| SCBBY ST | 134.000 | — |
| CLASS C | 134.000 | — |
| OTHER | 135.400 | — |
| RAJEE DP | 135.400 | — |
| EMERG | 243.000 | 24 |
| OTHER | 263.025 | — |
| KARLB ST | 263.025 | — |
| OTHER | 278.300 | — |
| SCBBY ST | 278.300 | — |
| CLASS C | 278.300 | — |
| OTHER | 318.200 | — |
| CLASS C | 318.200 | — |
| ZIGGY ST | 318.200 | — |
| SETER ST | 318.200 | — |
| OTHER | 349.000 | — |
| CLASS C | 349.000 | — |
| SNSHN DP | 349.000 | — |
| POMONA D | 349.000 | — |
| LCL/P | 360.775 | 24 |
| OTHER | 370.950 | — |
| SCBBY ST | 370.950 | — |
| OTHER | 377.125 | — |
| 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 |
51 | 1h 9m |
ONTDFW Dallas-Fort Worth, US |
AAL
American Airlines |
39 | 2h 42m |
ONTPHX Phoenix, US |
SWA
Southwest Airlines Co. (SAN Antonio |
39 | 1h 4m |
ONTLAS Las Vegas, US |
SWA
Southwest Airlines Co. (SAN Antonio |
34 | 1h 2m |
ONTOAK Oakland, US |
SWA
Southwest Airlines Co. (SAN Antonio |
31 | 1h 10m |
ONTSEA Seattle, US |
ASA
Alaska Airlines |
29 | 2h 24m |
ONTSJC San Jose, US |
SWA
Southwest Airlines Co. (SAN Antonio |
29 | 1h 5m |
ONTSDF Louisville, US |
UPS
United Parcel Service |
26 | 3h 35m |
ONTDEN Denver, US |
SWA
Southwest Airlines Co. (SAN Antonio |
23 | 2h 10m |
ONTLAS Las Vegas, US |
FFT
Frontier Airlines |
20 | 1h 8m |
ONTSMX Santa Maria, US |
PCM
Westair Industries |
18 | 1h 14m |
ONTATL Atlanta, US |
DAL
Delta AIR Lines |
18 | 4h 10m |
ONTSEA Seattle, US |
SKW
SKY West Aviation |
17 | 2h 33m |
ONTSFO San Francisco, US |
UAL
United Airlines |
17 | 1h 18m |
ONTMEM Memphis, US |
FDX
Federal Express |
17 | 3h 12m |
ONTSLC Salt Lake City, US |
SKW
SKY West Aviation |
15 | 1h 41m |
ONTPHX Phoenix, US |
AAL
American Airlines |
14 | 1h 7m |
ONTSLC Salt Lake City, US |
DAL
Delta AIR Lines |
14 | 1h 34m |
ONTSBA Santa Barbara, US |
PCM
Westair Industries |
13 | 0h 54m |
ONTMHR Sacramento, US |
UPS
United Parcel Service |
13 | 1h 3m |