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UA 5851 Denver to Missoula Flight Status

United Airlines Flight UA5851 from Denver International Airport DEN to Missoula International Airport MSO is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on December 17th, 2025.
Check the table below for UA5851's most recent flight history:

UA 5851 Flight Status & Schedule

Date Departure Arrival Status
Dec 17 16:07 17:51
Delayed
Track >
Dec 16 14:03 16:18
Landed
Track >
Dec 15 14:01 15:57
Landed
Track >
Dec 14 14:08 15:51
Landed
Track >
Dec 13 13:56 15:35
Landed
Track >

United Airlines UA 5851 Denver to Missoula Flight Information

United Airlines Flight UA5851 connects Denver, United States to Missoula, United States, taking off from Denver International Airport DEN and landing at Missoula International Airport MSO.

How long is the UA5851 flight from Denver to Missoula?

The average flight time from Denver to Missoula is 1 hour and 54 minutes. The flight distance is 1091 km / 678 miles and the average flight speed is 582 km/h / 361 mph.

What is the On-Time Performance (OTP) of United Airlines Flight UA5851 Denver to Missoula?

The Airportia On-Time Performance Rating for United Airlines Flight UA5851 is 4.6/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest UA5851 flight?

The latest flight took off on Wednesday, December 17th, 2025 with the flight status being En-Route on 17:51.

How else can the flight UA5851 be referenced as?

This United Airlines flight can also be referenced as UAL5851, UA 5851, UAL 5851.

How often is flight UA5851 delayed?

On average, 50% of all UA5851 flights are delayed. The average delay is 48 minutes.

Can I get compensation for my delayed or cancelled UA5851 flight or baggage issues?

If your UA5851 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 UA5851 Flight Tracker above for more details.

UA5851 and Denver DEN to Missoula MSO Flights

Other flights departing from Denver DEN: UA1311, UA5787, UA1476, WN4069

Other flights arriving at Missoula MSO: AS567, EM4820, AS567

All flights connecting Denver DEN to Missoula MSO.

UA5851 United Airlines Flight: Denver to Missoula Route Map

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.