UA642Washington to Phoenix
United Airlines flight UA642 flies from Washington Dulles (IAD) to Phoenix Sky Harbor (PHX), 3,142 km. Over August 2025 to July 2026 it usually arrives right on schedule: 83% of 348 flights arrived within 15 minutes of schedule and 1.4% were cancelled (US Department of Transportation data).
On-time record, last 12 months
Every operation of UA642, August 2025 to July 2026: 348 flights. Source: US Bureau of Transportation Statistics, public domain.
Routes flown as UA642
- Washington Dulles (IAD) to Phoenix Sky Harbor (PHX)138 flights
- Orlando (MCO) to Newark Liberty (EWR)74 flights
- Newark Liberty (EWR) to Atlanta (ATL)65 flights
- Denver (DEN) to Newark Liberty (EWR)31 flights
- Newark Liberty (EWR) to Houston (IAH)24 flights
- Denver (DEN) to Boston (BOS)11 flights
- Anchorage (ANC) to Chicago O'Hare (ORD)5 flights
Other flights from Washington to Phoenix
More about Washington Dulles (IAD) and Phoenix Sky Harbor (PHX).
Embed this on your site
A live badge for travel blogs, forums and trip reports. It updates as new data comes in, and links back here for the full stats.
<a href="https://tripstow.com/flights/ua642" title="UA642 is on time 83% of the time on TripStow"><img src="https://tripstow.com/badge/flights/ua642.svg" alt="UA642 is on time 83% of the time" width="360" height="88" loading="lazy"></a>
<a href="https://tripstow.com/flights/ua642" title="UA642 is on time 83% of the time on TripStow"><img src="https://tripstow.com/badge/flights/ua642.svg?theme=light" alt="UA642 is on time 83% of the time" width="360" height="88" loading="lazy"></a>[](https://tripstow.com/flights/ua642)Flying soon?
Forward your booking to TripStow and get your trip built for you, with check-in reminders, punctuality for every flight and a map of everywhere you have been.
Start free