Ontario to Phoenix (ONT–PHX) — Airlines, Schedules & Connections
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No nonstop flights on this route. connecting options below.
ONT–PHX is served by 3 airlines with nonstop service. Southwest Airlines, American Airlines and United Airlines lead the route. The flight covers 324 miles in approximately 1h 15m. Beyond nonstop, 41 hubs offer 1-stop connections.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| WN Southwest Airlines | 64 | 737, 73H, 7M8, 7S7 | 1h15-1h20 | – | – | |
| AA American Airlines | 52 | 320, 321 | 1h20-1h23 | Oneworld | – | |
| UA United Airlines | 1 | – | – | Star Alliance | – |
Weekly Schedule Pattern
Connection Landscape
On-Time Performance
Other ways to reach Phoenix from Ontario
| Metric | ONT→PHX | SNA→PHX | LGB→PHX |
|---|---|---|---|
| Distance from ONT | – | 30 mi | 36 mi |
| Nonstop airlines | 3 | 8 | 1 |
| Weekly flights | 116 | 227 | 57 |
| Flight time | 1h 15m | 1h 9m | 1h 13m |
| Departure OTP | 40% | – | – |
Travel Essentials
ONT: PDT · PHX: MST
When it's 6:00 PM in Ontario, it's 6:00 PM in Phoenix.
PHX Sky Train (free, 24h) connects T3 and T4 to the 44th Street/Washington light rail station in 5 minutes. Valley Metro Rail reaches downtown Phoenix in 20 minutes ($2). Uber and Lyft pick up at Ground Transportation on the lower level; follow signs. Taxis are metered; downtown Phoenix costs $20–30.Rental car agencies are consolidated in the Rental Car Center; the Sky Train connects there from both terminals without going to the street. For Scottsdale, Tempe, or Chandler, ride-hails are practical ($25–50). Express buses serve some suburban destinations.
Hot desert climate. Summers (June–September) are extreme. Daytime temperatures regularly exceed 43°C, occasionally reaching 48°C. Heat alone rarely cancels flights, but density altitude affects small aircraft performance. Monsoon season (July–mid-September) brings dramatic dust storms (haboob) that close the airport when they hit, plus intense flash-flooding thunderstorms that ground departures for 30–90 minutes.
Winters are exceptionally mild (10–22°C) with virtually no precipitation and near-constant sunshine. PHX has one of the lowest weather cancellation rates of any major US airport from November through April. Spring and fall are pleasant; late May and early June are hot and dry before monsoon arrives.
ONT–PHX Quick Facts
Frequently Asked Questions
Flights from ONT to PHX
Ontario International Airport (ONT) and Phoenix Sky Harbor International Airport (PHX) are connected by nonstop service from American Airlines, United Airlines and Southwest Airlines. With 116 weekly departures, this is a heavily served route.
ONT to PHX Flight Duration and Schedule
Nonstop flight time from ONT to PHX ranges from 1 hours 15 minutes to 1 hours 23 minutes. The route covers a distance of 324 miles (522 km). There are approximately 116 weekly flights outbound and 115 return, totaling 231 flights per week in both directions.
Connecting Options and Alternatives
41 one-stop connections are available, with the fastest taking approximately 3 hours via PSP. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Santa Ana (SNA), Long Beach (LGB) and Hawthorne (HHR).