| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Mar 28 | LAX | DEN | 15:01 | 17:48 |
Landed
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| Mar 27 | LAX | DEN | 15:18 | 18:09 |
Landed
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| Mar 26 | LAX | DEN | 15:04 | 17:54 |
Landed
|
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| Mar 25 | LAX | DEN | 14:57 | 17:45 |
Landed
|
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| Mar 24 | LAX | DEN | 15:16 | 18:08 |
Landed
|
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| Mar 23 | LAX | DEN | 15:12 | 18:10 |
Landed
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| Mar 22 | LAX | DEN | 15:05 | 18:01 |
Landed
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| Mar 21 | LAX | DEN | 15:10 | 18:04 |
Landed
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| Mar 20 | LAX | DEN | 15:06 | 17:58 |
Landed
|
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| Mar 19 | LAX | DEN | 15:12 | 18:05 |
Landed
|
Track > |
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.
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.