Dulles to Phoenix (IAD–PHX) — Airlines, Schedules & Connections
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No nonstop flights on this route. connecting options below.
IAD–PHX is served by 4 airlines with nonstop service. United Airlines, Southwest Airlines and GAF lead the route. The flight covers 1,952 miles in approximately 4h 50m. Beyond nonstop, 185 hubs offer 1-stop connections.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| UA United Airlines Also: AV, OS, SN | 19 | 7M9 | 4h50-5h10 | Star Alliance | AV, OS, SN | |
| WN Southwest Airlines | 7 | B38M | 5h05 | – | – | |
| GAF GAF | 0 | – | – | – | – | |
| TWY TWY | 0 | – | – | – | – |
Weekly Schedule Pattern
Connection Landscape
Other ways to reach Phoenix from Dulles
| Metric | IAD→PHX | DCA→PHX | BWI→PHX |
|---|---|---|---|
| Distance from IAD | – | 23 mi | 45 mi |
| Nonstop airlines | 4 | 2 | 3 |
| Weekly flights | 47 | 35 | 30 |
| Flight time | 4h 50m | 5h | 4h 51m |
| Departure OTP | 100% | – | – |
Travel Essentials
IAD: EDT · PHX: MST
When it's 6:00 PM in Dulles, it's 3:00 PM in Phoenix.
WMATA Silver Line Metro now reaches Dulles directly; take Silver Line to Washington Dulles Airport station (about 65 min from Metro Center, ~$7). The connection opened in late 2022.Ride-shares from downtown DC run $35–60 and take 35–50 minutes via I-66 (longer during peak hours). Washington Flyer coach to Wiehle-Reston East Metro costs $6. The airport is 27 miles from downtown; taxis are expensive ($60–80).
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.
IAD–PHX Quick Facts
Frequently Asked Questions
Flights from IAD to PHX
Washington Dulles International Airport (IAD) and Phoenix Sky Harbor International Airport (PHX) are connected by nonstop service from GAF, TWY, United Airlines and Southwest Airlines. With 47 weekly departures, this is a heavily served route.
IAD to PHX Flight Duration and Schedule
Nonstop flight time from IAD to PHX ranges from 4 hours 50 minutes to 5 hours 19 minutes. The route covers a distance of 1,952 miles (3,141 km). There are approximately 47 weekly flights outbound and 48 return, totaling 95 flights per week in both directions.
Connecting Options and Alternatives
185 one-stop connections are available, with the fastest taking approximately 5 hours via MDD. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Washington (DCA), Baltimore (BWI) and Charlottesville (CHO).