How long is the UA1423 flight?

The timetable allows 4 h 2 min. Philadelphia to Denver is 2,500 km (1,554 mi).

Which terminal does UA1423 use?

It usually leaves from Terminal D at Philadelphia International Airport (PHL). Check the flight card above for today's terminal and gate.

What other flight numbers does UA1423 have?

Also listed as UAL1423 (United Airlines' ICAO code) and UA 1423.

UA1423 Flight Status United Airlines: Philadelphia to Denver (UAL1423)

UA 1423 Philadelphia to Denver Flight Status

Not scheduled today. Latest flight: October 24th, 2026 ; recent history is in the table below.

This flight continues to Vancouver (YVR): UA1423 Denver to Vancouver departs at 12:05 local time on Oct 24.

UA 1423 Flight Status & Schedule United Airlines Philadelphia to Denver

Date	From	To	Departure	Arrival	Status	Details
Oct 24	PHL	DEN	08:17	09:48	Landed	Track >
Oct 23	PHL	DEN	08:02	09:29	Landed	Track >
Oct 22	PHL	DEN	08:08	09:37	Landed	Track >
Oct 21	PHL	DEN	08:19	09:47	Landed	Track >
Oct 20	PHL	DEN	08:06	09:35	Landed	Track >
Oct 19	PHL	DEN	08:15	09:47	Landed	Track >
Oct 18	PHL	DEN	08:08	09:32	Landed	Track >
Oct 17	PHL	DEN	08:16	09:44	Landed	Track >
Oct 16	PHL	DEN	08:03	09:37	Landed	Track >
Oct 15	PHL	DEN	08:06	09:53	Landed	Track >

United Airlines flight UA 1423 links Philadelphia and Denver, 2,500 km (1,554 mi) apart. The timetable allows 4 h 2 min, but the flight usually takes about 3 h 30 min, so it often makes up time. It is not flying today; the last flight, on 24 October 2026, landed on time.

< All Philadelphia PHL Departures All Denver DEN Arrivals >

About UA 1423

Route: Philadelphia International Airport PHL to Denver International Airport DEN
Distance: 2,500 km (1,554 mi)
Typical flight time: 3 h 30 min
On time: 10 of the last 10
Usually departs from: Terminal D

UA 1423 FAQ

How long is the UA1423 flight?: The timetable allows 4 h 2 min. Philadelphia to Denver is 2,500 km (1,554 mi).
How often is UA1423 late?: None of the last 10 flights arrived 15 or more minutes late.
Which terminal does UA1423 use?: It usually leaves from Terminal D at Philadelphia International Airport (PHL). Check the flight card above for today's terminal and gate.
What other flight numbers does UA1423 have?: Also listed as UAL1423 (United Airlines' ICAO code) and UA 1423.

United Airlines UA1423 News

Incident UA1423 - United B738 at Boston on Dec 25th 2020, hard landing

UA1423 and Philadelphia PHL to Denver DEN Flights

Flight UA1423 is code-shared by 1 airline using the flight number AC3647

Other flights departing from Philadelphia PHL: AA3074, WN4580, AA2184, PT6076

Other flights arriving at Denver DEN: UA644, UA2307, WN4210

All flights connecting Philadelphia PHL to Denver DEN.