Ontario International Airport
Ontario, United StatesONT / KONT
Major airport · 63 direct destinations · 2 runways · longest runway 12,198 ft
84 °F · ClearSource: METAR observation via the NOAA Aviation Weather Center
Route
Ontario → Phoenix
ONT
OntarioOntario International Airport
OntarioOntario International AirportPHXPhoenixPhoenix Sky Harbor International Airport
PhoenixPhoenix Sky Harbor International Airport- Distance
- 324 mi
- Estimated flight time
- ~1h 10m
Same local time in Ontario and Phoenix.
Observed nonstop
How often does this route fly?
Frequency
Several times a day
On average around 9 flights a day, observed from October 2025 to September 2026.
- 9
- flights per day
- 10
- busiest month · Mar
- 7
- quietest month · Sep
- 52 min
- measured flight time
- 12 / 12
- months seen
Through the year
Per day, month by month
- 9.5Jan2026
- 9Feb
- 10Mar
- 8Apr
- 8May
- 8Jun
- 9Jul
- 8Aug
- 7Sep
- 9Oct2025
- 9Nov
- 9Dec
Airlines
Who flies it
Southwest Airlinesall year
American Airlinesall year
UPS Airlinesall year
Envoy Airnow and then
SkyWest Airlinesnow and then
Air Transport Internationalwinter
Through the day
Departure times
Local time in Ontario. Most departures between 05:00 and 08:00.
- 00:00
- 01:00
- 02:00
- 03:00
- 04:00
- 05:00
- 06:00
- 07:00
- 08:00
- 09:00
- 10:00
- 11:00
- 12:00
- 13:00
- 14:00
- 15:00
- 16:00
- 17:00
- 18:00
- 19:00
- 20:00
- 21:00
- 22:00
- 23:00
Through the week
By weekday
- 8.6Mon
- 9.6Tue
- 8.5Wed
- 8.4Thu
- 9.6Fri
- 8.8Sat
- 6.3Sun
Fleet
Aircraft observed
- Boeing 737-800B73824%
- Boeing 737-700B73720%
- Boeing 737 MAX 8B38M20%
- Airbus A321A3218%
- Airbus A319A3196%
All the numbers in a table
| Month | Per day | Seen | Airlines |
|---|---|---|---|
| January 2026 | 9.5 | 276 |
|
| February 2026 | 9 | 260 |
|
| March 2026 | 10 | 300 |
|
| April 2026 | 8 | 249 |
|
| May 2026 | 8 | 232 |
|
| June 2026 | 8 | 232 |
|
| July 2026 | 9 | 263 |
|
| August 2026 | 8 | 231 |
|
| September 2026 | 7 | 225 |
|
| October 2025 | 9 | 270 |
|
| November 2025 | 9 | 278 |
|
| December 2025 | 9 | 281 |
|
Airlines observed on this route
From observed callsign routes on ONT-PHX - not a booking guarantee.
About this route
- Domestic route: both airports are in the same country.
- The opposite direction has also been observed as a direct connection.
- Direct destinations observed from Ontario: 63.
- Direct destinations observed from Phoenix: 145.
The airports on this route
Phoenix Sky Harbor International Airport
Phoenix, United StatesPHX / KPHX
International hub · 145 direct destinations · 3 runways · longest runway 11,490 ft
82 °F · ClearSource: METAR observation via the NOAA Aviation Weather Center
Alternative airports for this journey
Same journey, a different airport nearby - with an observed direct connection.
SNA PHXJohn Wayne Orange County International AirportSanta Ana is about 30 mi from Ontario.View route →LGB PHXLong Beach International AirportLong Beach is about 35 mi from Ontario.View route →HHR PHXJack Northrop Field Hawthorne Municipal AirportHawthorne is about 43 mi from Ontario.View route →BUR PHXHollywood Burbank/Bob Hope AirportBurbank is about 45 mi from Ontario.View route →
About the route from Ontario to Phoenix
The observed direct connection between Ontario International Airport (ONT) and Phoenix Sky Harbor International Airport (PHX) covers approximately 324 mi. The estimated flight time is around 1h 10m. Air Transport International, American Airlines, Envoy Air, SkyWest Airlines, Southwest Airlines and UPS Airlines have been observed on this connection in the available route data.
Frequently asked questions about this route
- How far is Ontario from Phoenix by air?
- The great-circle distance between Ontario International Airport and Phoenix Sky Harbor International Airport is approximately 324 mi.
- How long is the flight from Ontario to Phoenix?
- Based on the distance, the estimated flight time is about 1h 10m. This is an estimate, not a schedule.
- Is there a direct connection from Ontario to Phoenix?
- Yes, a direct connection between ONT and PHX has been observed in our route data.
- Which airlines have been observed on this route?
- In the available route data: Air Transport International, American Airlines, Envoy Air, SkyWest Airlines, Southwest Airlines and UPS Airlines.
- How often is there a flight from Ontario to Phoenix?
- On average around 9 flights a day, measured over twelve months (October 2025 to September 2026) in the flight archive, with 3,097 observed flights. Mainly Southwest Airlines, American Airlines, UPS Airlines. That is an observation, not a timetable.
- What is the current time difference between Ontario and Phoenix?
- Same local time in Ontario and Phoenix.
Where this data comes from
The route data comes from the flight archive (ADS-B, adsb.lol): which connections actually flew over the last twelve full months and who flew them, combined with our own airport, runway, and airline datasets. It is reference data about observed routes - not a current timetable and no claim about bookability.
The frequency and aircraft on this page come from the flight archive (ADS-B, 12 months, October 2025 to September 2026), summarized per route per month. We do not see every flight, so it is a floor, not a count.
Route data updated on October 11, 2026.