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United Airlines

Is UA631 delayed?

Service date: · Scheduled arrival date; departure time unavailable (America/Phoenix)

Arrived

18 min early

Official source · Updated

Departure

Denver

DEN

Scheduled

Not available

Arrival

Phoenix

PHX

Actual

Scheduled 14:57

Sep 7

Times shown in airport local time

Flight details

Departure · UTC

Scheduled
Not available
Estimated
Not available
Actual
Not available

Arrival · UTC

Scheduled
Estimated
Actual
Route overview: Denver → PhoenixDENPHX
Route overview

Recent arrivals

Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.

  • DEN → PHX

    13 min late

  • DEN → PHX

    15 min early

  • DEN → PHX

    2 min late

  • DEN → PHX

    7 min early

  • DEN → PHX

    11 min early
Flight history and details

Aug 20, 2026 — Sep 19, 2026

Observed arrivals
20
Arrivals over 15 minutes late
1
Observed cancellations
0
Observed occurrences
20

Results compare scheduled and actual arrival times. Cancelled or diverted flights are excluded. Some flights may be missing from the history.

How flight status works

UA631 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 18, 2026ArrivedDenverPhoenix
13
Sep 17, 2026ArrivedDenverPhoenix
-15
Sep 16, 2026ArrivedDenverPhoenix
2
Sep 14, 2026ArrivedDenverPhoenix
-7
Sep 13, 2026ArrivedDenverPhoenix
-11
Sep 11, 2026ArrivedDenverPhoenix
-2
Sep 10, 2026ArrivedDenverPhoenix
-15
Sep 9, 2026ArrivedDenverPhoenix
-18
Sep 7, 2026ArrivedDenverPhoenix
-18
Sep 4, 2026ArrivedDenverPhoenix
-17
Sep 3, 2026ArrivedDenverPhoenix
-6
Sep 2, 2026ArrivedDenverPhoenix
-14
Aug 31, 2026ArrivedDenverPhoenix
-3
Aug 30, 2026ArrivedDenverPhoenix
-3
Aug 28, 2026ArrivedDenverPhoenix
-22
Aug 27, 2026ArrivedDenverPhoenix
-26
Aug 26, 2026ArrivedDenverPhoenix
29
Aug 24, 2026ArrivedDenverPhoenix
-8
Aug 23, 2026ArrivedDenverPhoenix
-8
Aug 21, 2026ArrivedDenverPhoenix
-17

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