United Airlines
UA631Denver to Phoenix
United Airlines flight UA631 flies from Denver (DEN) to Phoenix Sky Harbor (PHX), 969 km. Over August 2025 to May 2026 it usually arrives about 3 minutes late: 82% of 495 flights arrived within 15 minutes of schedule and 0.8% were cancelled (US Department of Transportation data).
On-time record, last 12 months
82%
on time (within 15 min)
11%
more than 30 min late
0.8%
cancelled
+3 min
average arrival vs schedule
Every operation of UA631, August 2025 to May 2026: 495 flights. Source: US Bureau of Transportation Statistics, public domain.
Routes flown as UA631
- Denver (DEN) to Phoenix Sky Harbor (PHX)205 flights
- New Orleans (MSY) to Denver (DEN)65 flights
- Atlanta (ATL) to Newark Liberty (EWR)38 flights
- Columbus (CMH) to Chicago O'Hare (ORD)37 flights
- Chicago O'Hare (ORD) to Jacksn Hole (JAC)37 flights
- Phoenix Sky Harbor (PHX) to Newark Liberty (EWR)36 flights
- Orlando (MCO) to Denver (DEN)25 flights
- Phoenix Sky Harbor (PHX) to Houston (IAH)24 flights
- Madison (MSN) to Denver (DEN)16 flights
- Houston (IAH) to Reno Tahoe (RNO)6 flights
Other flights from Denver to Phoenix
More about Denver (DEN) and Phoenix Sky Harbor (PHX).
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