UA1938United AirlinesIn the air, 28 min late
Left IAD at 18:28, 28 min after its 18:00 slot.
- Landing
- 19:38PHX board estimate · sched 19:54
live
Direct flights from Washington (IAD) to Phoenix (PHX): 7 nonstop departures observed each week across 1 airline. The median arrival is 16 minutes early. No cancellations were recorded across the 4 tracked flights. The nonstop covers 3,142 km, an estimated 4 hours 32 minutes in the air. Measured by Pro Flight Search from live flight boards at Washington and Phoenix. Updated 21 October 2026 at 01:07 UTC.
Today, IAD → PHX
Tue 20 Oct · local times- 08:51 UA709United Airlines Departed Landed 10:07 −35
- 18:00 UA1938United Airlines Left 18:28 +28 PHX est. 19:38In the air · sched 19:54
Checked IAD board 20:50 · PHX board 18:07
IAD
Washington
smooth · +14
PHX
Phoenix
smooth · +0
3,142 km · ~4h 32m est.
Running clean · 1 airline · 7x weekly · nonstop
91 / 100
route health from live IAD and PHX delay boards
Median arrival delay is −16 min. 0 of 4 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
Median arrival−16 minacross the last 4 operated legs
Flight time~4h 32mestimated from route distance
Weekly departures7x1 direct airline on the leg
The week
scheduled departures · origin local time06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
United Airlines
Each mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.
Who flies it
observed on the boards · 7 daysHistory
operated legs · board outcomesActual board outcomes rather than schedules, paired departure and arrival per flight and day.
Full board history, day by day →
Airports right now
live boardsWeather lens
Current conditions put the pressure at IAD and PHX: 35% odds of a 15+ minute delay and around +4 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →
next sweep in 120s
How the Washington to Phoenix route actually runs
Pro Flight Search records official board updates for nonstop IAD to PHX flights through the day: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises.
Planning around a delay? Live airport delays · Weather delay risk map · Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Cite this data
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Suggested citation
Pro Flight Search — Washington (IAD) to Phoenix (PHX) route reliability, measured from operated flights on official airport boards.
Canonical URL
How we measure this →
https://proflightsearch.com/search-flights/IAD-PHX
IAD to PHX questions
Is IAD–PHX running on time right now?
Smooth skies ahead. The departure side at IAD is the weaker end, route health score 91/100. The airports section above carries the live status and delay window at both ends.
Morning or evening flight on IAD–PHX?
Operators schedule morning departures around 08:51 and evening departures around 18:00 from IAD. Earlier flights typically land before destination-airport delays accumulate later in the day; check the PHX delay card to confirm conditions when you'd arrive.
How long is the flight from IAD to PHX?
Great-circle distance is 3,142 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 252–299 min gate-to-gate on this route.
How often does IAD–PHX fly?
United Airlines runs the route with about 14 flights a week (daily). Since one carrier owns the route, a single disruption tends to ripple through the day.
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