Are you looking for the June 4th, 2026 UA 1840 Denver to Salt Lake City flight? Click here to go to our UA1840 Denver to Salt Lake City Flight Status page >

UA 1840 Los Angeles to Denver Flight Status

United Airlines Flight UA1840 from Los Angeles International Airport LAX to Denver International Airport DEN is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on March 28th, 2026.
Check the table below for UA1840's most recent flight history:

UA 1840 Flight Status & Schedule

Date Departure Arrival Status
Mar 28 15:01 17:48
Landed
Track >
Mar 27 15:18 18:09
Landed
Track >
Mar 26 15:04 17:54
Landed
Track >
Mar 25 14:57 17:45
Landed
Track >
Mar 24 15:16 18:08
Landed
Track >

United Airlines UA 1840 Los Angeles to Denver Flight Information

United Airlines Flight UA1840 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 UA1840 flight from Los Angeles to Denver?

The average flight time from Los Angeles to Denver is 1 hour and 52 minutes. The flight distance is 1385 km / 861 miles and the average flight speed is 742 km/h / 461 mph.

What is the On-Time Performance (OTP) of United Airlines Flight UA1840 Los Angeles to Denver?

The Airportia On-Time Performance Rating for United Airlines Flight UA1840 is 5/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight UA1840 arriving at?

Flight UA1840 arrives at Denver International Airport (DEN) Terminal B.

When was the latest UA1840 flight?

The latest flight took off on Sunday, March 29th, 2026 with the flight status being Landed on 17:48.

How else can the flight UA1840 be referenced as?

This United Airlines flight can also be referenced as UAL1840, UA 1840, UAL 1840.

How often is flight UA1840 delayed?

On average, 0% of all UA1840 flights are delayed. The average delay is 0 minutes.

Can I get compensation for my delayed or cancelled UA1840 flight or baggage issues?

If your UA1840 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 UA1840 Flight Tracker above for more details.

UA1840 and Los Angeles LAX to Denver DEN Flights

Flight UA1840 is code-shared by 5 airlines using the flight numbers AC3977, NH7200, NZ9471, SQ1652, VA8322

Other flights departing from Los Angeles LAX: AA5011, DL3907, AA3011, WN2564

Other flights arriving at Denver DEN: UA1884, UA2411, WN1227, WN1542

All flights connecting Los Angeles LAX to Denver DEN.

UA1840 United Airlines Flight: Los Angeles to Denver 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.