UA631 · UAL631

Schedule for today and the next days

• 2026-10-29 10:10 · Louis Armstrong New Orleans International Airport (MSY/KMSY) → Denver International Airport (DEN/KDEN)

Scheduled times from airport boards, in local time. Actual departures and arrivals are measured by the map.flights network.

UAL631 over the last 30 days

As of 2026-10-28

UAL631 is operated by United Airlines on the route Denver International Airport (DEN/KDEN) → Phoenix Sky Harbor International Airport (PHX/KPHX). It usually takes off around 19:41 UTC (13:41 local time, DEN). It usually lands around 21:14 UTC (14:14 local time, PHX). Most frequent aircraft type: BOEING 737-900 (B739).

Days with an observed flight (last 30 days)

29/30

Days of the week with an observed flight

Mon, Tue, Wed, Thu, Fri, Sat, Sun

Typical take-off

19:41 UTC · 13:41 local time (DEN)

Typical landing

21:14 UTC · 14:14 local time (PHX)

Typical time airborne

90 min

Median departure deviation from the usual time on this route

+3 min

Departures within 15 minutes of the usual time

78 %

Departures measured

165

Our measurement against the usual departure time of the route, from our own observations over the last 28 days; the figures cover all flights of this airline on the route.

Aircraft types on this flight (last 30 days)

• BOEING 737-900 (B739) — Number of flights: 26
• BOEING 737-800 (B738) — Number of flights: 5
• AIRBUS A-321neo (A21N) — Number of flights: 1

Aircraft in the last 7 days

• N76526 · BOEING 737-800 2026-10-28
• N77520 · BOEING 737-800 2026-10-27
• N13227 · BOEING 737-800 2026-10-26
• N37537 · BOEING 737 MAX 9 2026-10-26
• N12216 · BOEING 737-800 2026-10-25
• N27253 · BOEING 737 MAX 8 2026-10-25

Related flights on this route

• All flights KDEN – KPHX