Flights Washington → Phoenix
IAD → PHX
How long is the flight from Washington to Phoenix?
The flight from Washington (IAD) to Phoenix (PHX) takes 4h 13m on average. That is the median time recorded across 1 scheduled flight on this leg; the actual time varies by a few minutes with wind, routing and take-off queues.
Route overview
The flight route from Washington to Phoenix operates with an average on-time performance rate of 81%, experiencing a mean delay of 10.8 minutes per flight. Over the course of a year, this route sees approximately 289 flights using Airbus A320 aircraft, serving one of the world's busiest airports in Phoenix, which handles nearly 44.4 million passengers annually.
Your rights on this US flight (DOT)
US flights have no statutory cash compensation for delays. Under the US DOT rules, if your flight is cancelled or significantly changed and you decline rebooking, you're owed an automatic refund of the unused ticket. The tarmac-delay limit is 3 hours (domestic) / 4 hours (international). Amenities for controllable delays depend on each airline's contract of carriage.
US flight refund rules & checker →General information, not legal advice.
The Washington (IAD) → Phoenix (PHX) route is operated by United Airlines. Across 515 flights monitored in recent months, 79% arrived on time (within 15 min of schedule), with an average delay of 12 minutes. The cancellation rate is 2.91%. FlightGuard's average computed risk is 19.8/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Phoenix the average ATFM delay is 5.5 minutes (main cause: atfm). Departing from Washington the average ATFM delay is 5.5 minutes.
Heading to Phoenix: what to expect in this direction
Flying from Washington (IAD) to Phoenix (PHX) heads west for about 3,141 km, a flight time of roughly 4h 13m.
Departures from Washington on this leg cluster in the midday window: about 63% of IAD-PHX flights take off then.
Air-traffic congestion: departing Washington the average ATFM delay is 5.5 min (atfm); arriving into Phoenix it is 5.5 min (atfm).
Across 515 tracked IAD-PHX flights, 79% left on time with an average delay of 12 min and a 2.9% cancellation rate.
Route facts
Flights on this route
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Airline punctuality on this route
| Airline | On-time | Average delay | Cancellations |
|---|---|---|---|
| United Airlines (UA) | 83% | 5 min | 1.3% |
Airlines operating IAD-PHX
Airports
Frequently asked questions about IAD-PHX
The flight from Washington (IAD) to Phoenix (PHX) takes 4h 13m on average. That is the median time recorded across 1 scheduled flight on this leg; the actual time varies by a few minutes with wind, routing and take-off queues.
On the Washington (IAD) -> Phoenix (PHX) route, on-time performance is 79% with an average delay of 12 minutes, based on 515 tracked flights.
The cancellation rate on Washington-Phoenix is 2.91% across 515 monitored flights.
The route is operated by 1 airline: United Airlines.
Enter your flight number on FlightGuard for a real-time analysis based on 9 factors: weather at Phoenix, ATC delays, strikes, NOTAMs, fuel, airline punctuality and recent trends.
US flights have no statutory cash compensation for delays. Under US DOT rules, if the airline cancels or significantly changes your flight and you decline rebooking, you're owed an automatic refund of the unused ticket. The tarmac-delay limit is 3 hours (domestic) / 4 hours (international). Meals or hotels for controllable delays depend on each airline's contract of carriage.
