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UA2121 Flight Status United Airlines: Los Angeles to Denver (UAL2121)

Are you looking for the June 3rd, 2026 UA 2121 Denver to Grand Rapids flight? Click here to go to our UA2121 Denver to Grand Rapids Flight Status page >

UA 2121 Los Angeles to Denver Flight Status

United Airlines Flight UA2121 from Los Angeles International Airport LAX to Denver International Airport DEN is not scheduled for today June 3rd, 2026.
The last time the flight was scheduled was on June 30th, 2025.
Check the table below for UA2121's most recent flight history:

UA 2121 Flight Status & Schedule

Date Departure Arrival Status
Jun 30 14:42 17:47
Landed
 Track >
Jun 28 14:49 17:48
Landed
 Track >
Jun 27 15:00 17:53
Landed
 Track >
Jun 26 14:47 17:40
Landed
 Track >
< All LAX Departures All DEN Arrivals >

United Airlines UA 2121 Los Angeles to Denver Flight Information

United Airlines Flight UA2121 connects Los Angeles, United States to Denver, United States, taking off from Los Angeles International Airport LAX and landing at Denver International Airport DEN.

How long is the UA2121 flight from Los Angeles to Denver?

The average flight time from Los Angeles to Denver is 1 hour and 57 minutes. The flight distance is 1385 km / 861 miles and the average flight speed is 708 km/h / 440 mph.

What is the On-Time Performance (OTP) of United Airlines Flight UA2121 Los Angeles to Denver?

The Airportia On-Time Performance Rating for United Airlines Flight UA2121 is 5/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest UA2121 flight?

The latest flight took off on Tuesday, July 1st, 2025 with the flight status being Landed on 17:47.

How else can the flight UA2121 be referenced as?

This United Airlines flight can also be referenced as UAL2121, UA 2121, UAL 2121.

How often is flight UA2121 delayed?

On average, 0% of all UA2121 flights are delayed. The average delay is 0 minutes.

Can I get compensation for my delayed or cancelled UA2121 flight or baggage issues?

If your UA2121 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 UA2121 Flight Tracker above for more details.

UA2121 and Los Angeles LAX to Denver DEN Flights

This is a multi leg flight of United Airlines UA2121. Next leg is Denver to Great Falls

Flight UA2121 is code-shared by 5 airlines using the flight numbers AC3891, AV2004, NH7200, NZ9471, VA8322

Other flights departing from Los Angeles LAX: NK2352, NK2070, NK2687, N041R

Other flights arriving at Denver DEN: UA663, UA1464, UA8152, UA8101

All flights connecting Los Angeles LAX to Denver DEN.

UA2121 United Airlines Flight: Los Angeles to Denver Route Map

UA2121 United Airlines Flight Map: Los Angeles to Denver
Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
New Flights: MS6111 DX3670 AP7437 LG241 HV2716 3T2805 VJ2283 LX7382 2L8310 XC9814
See Also: Flight Tracker Airports Airlines News Flights Monitor Delay Compensation
Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.