UA1423 · UAL1423

UAL1423 over the last 30 days

As of 2026-10-26

UAL1423 is operated by United Airlines on the route Philadelphia International Airport (PHL/KPHL) → Denver International Airport (DEN/KDEN). It usually takes off around 12:08 UTC (08:08 local time, PHL). It usually lands around 15:45 UTC (09:45 local time, DEN). Most frequent aircraft type: BOEING 737-900 (B739).

Days with an observed flight (last 30 days)

28/30

Days of the week with an observed flight

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

Typical take-off

12:08 UTC · 08:08 local time (PHL)

Typical landing

15:45 UTC · 09:45 local time (DEN)

Typical time airborne

214 min

Median departure deviation from the usual time on this route

+1 min

Departures within 15 minutes of the usual time

86 %

Departures measured

72

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: 51
• BOEING 737-800 (B738) — Number of flights: 25
• BOEING 737 MAX 9 (B39M) — Number of flights: 3

Aircraft in the last 7 days

• N37535 · BOEING 737 MAX 9 2026-10-26
• N77558 · BOEING 737 MAX 9 2026-10-25
• N37413 · BOEING 737-900 2026-10-24
• N86534 · BOEING 737-800 2026-10-24
• N36472 · BOEING 737-900 2026-10-23
• N12225 · BOEING 737-800 2026-10-23

Related flights on this route

• All flights KPHL – KDEN