UA1638 · UAL1638

UAL1638 over the last 30 days

As of 2026-10-27

UAL1638 is operated by United Airlines on the route Denver International Airport (DEN/KDEN) → Los Angeles International Airport (LAX/KLAX). It usually takes off around 14:11 UTC (08:11 local time, DEN). It usually lands around 16:08 UTC (09:08 local time, LAX). Most frequent aircraft type: AIRBUS A-321neo (A21N).

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

14:11 UTC · 08:11 local time (DEN)

Typical landing

16:08 UTC · 09:08 local time (LAX)

Typical time airborne

117 min

Median departure deviation from the usual time on this route

0 min

Departures within 15 minutes of the usual time

89 %

Departures measured

150

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)

• AIRBUS A-321neo (A21N) — Number of flights: 43
• BOEING 757-200 (B752) — Number of flights: 3
• BOEING 737-900 (B739) — Number of flights: 2

Aircraft in the last 7 days

• N17104 · BOEING 757-200 2026-10-27
• N14107 · BOEING 757-200 2026-10-26
• N75851 · BOEING 757-300 2026-10-25
• N34551 · AIRBUS A-321neo 2026-10-24
• N68891 · BOEING 737-900 2026-10-23
• N14520 · AIRBUS A-321neo 2026-10-22

Related flights on this route

• All flights KDEN – KLAX