ONT to PHX: Distance and Flight Time
The distance from Ontario International Airport (ONT) to Phoenix Sky Harbor International Airport (PHX) is 522 km (324 mi). A typical nonstop flight covers it in about 1h 10m, heading east. The distance is the same in either direction (PHX to ONT).
How far is it from Ontario to Phoenix?
The great-circle distance between Ontario International Airport (ONT) and Phoenix Sky Harbor International Airport (PHX) is 522 km (324 mi, 282 nautical miles). That is the straight-line distance; a real flight is a little longer because of air-traffic routing.
How long is the flight from ONT to PHX?
A nonstop flight typically takes about 1h 10m. This is an estimate from the distance; actual block times depend on the aircraft, winds and the exact routing. PHX is roughly east of ONT.
How is the ONT to PHX route written in code?
The pair is written ONT-PHX in IATA codes and KONT-KPHX in ICAO codes, the form used on a flight plan. Ontario International Airport is ONT (KONT), Phoenix Sky Harbor International Airport is PHX (KPHX).
| ONT | PHX | |
|---|---|---|
| Airport | Ontario International Airport | Phoenix Sky Harbor International Airport |
| ICAO code | KONT | KPHX |
| Country | United States | United States |
| Elevation | 944 ft | 1,135 ft |
| Rank by connections | #518 | #43 |
Both ICAO codes start with K, the prefix ICAO assigns to the contiguous United States, so this is a route inside one ICAO region. How ICAO prefixes are laid out.
PHX sits 191 ft (58 m) higher than ONT, which is a real difference in air density on takeoff.
Airlines flying ONT to PHX
3 airlines appear on this route in the open route dataset, 3 of them still listed as active. Each row gives the IATA code, the ICAO code and the radio callsign, which is what an air traffic controller hears:
| IATA | Airline | ICAO | Callsign | Status |
|---|---|---|---|---|
| AA | American Airlines | AAL | American | Active |
| US | US Airways | USA | U S Air | Active |
| WN | Southwest Airlines | SWA | Southwest | Active |
A further 1 carrier sell this pair as a codeshare without operating it: FL.
Route and carrier data comes from the OpenFlights open dataset, regenerated here on . It is a historical snapshot of scheduled connections, not a live schedule, and it includes codeshare listings, so some carriers shown may no longer operate the route or exist. How we build this · Data and sources.
Frequently asked questions
How far is Ontario from Phoenix?
Ontario International Airport (ONT) and Phoenix Sky Harbor International Airport (PHX) are 522 km (324 mi, 282 nautical miles) apart in a straight line.
How long is the flight from ONT to PHX?
A typical nonstop flight between ONT and PHX takes about 1h 10m. Actual times vary with aircraft type, winds and routing.
What direction is PHX from ONT?
Phoenix Sky Harbor International Airport (PHX) lies roughly east of Ontario International Airport (ONT).
Which airlines fly ONT to PHX?
3 airlines appear on the ONT-PHX route in the open dataset, including American Airlines, US Airways, Southwest Airlines.
Related routes
Other routes from Ontario (ONT):
Other routes from Phoenix (PHX):
ONT airport code · PHX airport code · Busiest airports worldwide