Are you looking for the June 4th, 2026 UA 431 Denver to Grand Junction flight? Click here to go to our UA431 Denver to Grand Junction Flight Status page >

UA 431 St. Louis to Denver Flight Status

United Airlines Flight UA431 from St. Louis Lambert International Airport STL to Denver International Airport DEN is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on June 25th, 2025.
Check the table below for UA431's most recent flight history:

UA 431 Flight Status & Schedule

Date Departure Arrival Status
Jun 25 16:59 17:46
Landed
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Jun 24 18:24 19:56
Landed Late
Track >
Jun 23 22:45 23:29
Delayed >3h
Track >
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Jun 22 19:52 20:43
Landed Late
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Jun 21 16:51 17:40
Landed
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United Airlines UA 431 St. Louis to Denver Flight Information

United Airlines Flight UA431 connects St. Louis, United States to Denver, United States, taking off from St. Louis Lambert International Airport STL and landing at Denver International Airport DEN.

How long is the UA431 flight from St. Louis to Denver?

The average flight time from St. Louis to Denver is 1 hour and 58 minutes. The flight distance is 1235 km / 768 miles and the average flight speed is 632 km/h / 393 mph.

What is the On-Time Performance (OTP) of United Airlines Flight UA431 St. Louis to Denver?

The Airportia On-Time Performance Rating for United Airlines Flight UA431 is 3.7/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest UA431 flight?

The latest flight took off on Thursday, June 26th, 2025 with the flight status being Landed on 17:46.

How else can the flight UA431 be referenced as?

This United Airlines flight can also be referenced as UAL431, UA0431, UA 431, UAL 431.

How often is flight UA431 delayed?

On average, 40% of all UA431 flights are delayed. The average delay is 201 minutes.

Can I get compensation for my delayed or cancelled UA431 flight or baggage issues?

If your UA431 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.

See our UA431 Flight Tracker above for more details.

UA431 and St. Louis STL to Denver DEN Flights

This is a multi leg flight of United Airlines UA431. Next leg is Denver to Grand Junction

Flight UA431 is code-shared by 1 airline using the flight number AC4897

Other flights departing from St. Louis STL: WN6385, AA3727, UA2618, AA6512

Other flights arriving at Denver DEN: UA702, UA1236, UA2080, UA2027

All flights connecting St. Louis STL to Denver DEN.

UA431 United Airlines Flight: St. Louis to Denver Route Map

UA431 United Airlines Flight Map: St. Louis to Denver
Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.