| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jan 05 | LAX | DEN | 13:42 | 16:20 |
Landed
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Track > |
| Jan 04 | LAX | DEN | 13:26 | 16:11 |
Landed
|
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| Jan 03 | LAX | DEN | 13:51 | 16:36 |
Landed
|
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| Jan 02 | LAX | DEN | 13:25 | 16:16 |
Landed
|
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| Jan 01 | LAX | DEN | 16:08 | 18:53 |
Delayed
|
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| Dec 31 | LAX | DEN | 13:54 | 16:41 |
Landed
|
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| Dec 30 | LAX | DEN | 13:26 | 16:13 |
Landed
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| Dec 29 | LAX | DEN | 13:22 | 16:17 |
Landed
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| Dec 28 | LAX | DEN | 13:25 | 16:16 |
Landed
|
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| Dec 27 | LAX | DEN | 13:27 | 16:12 |
Landed
|
Track > |
United Airlines Flight UA645 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 UA645 flight from Los Angeles to Denver?
The average flight time from Los Angeles to Denver is 1 hour and 46 minutes. The flight distance is 1385 km / 861 miles and the average flight speed is 779 km/h / 484 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA645 Los Angeles to Denver?
The Airportia On-Time Performance Rating for United Airlines Flight UA645 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest UA645 flight?
The latest flight took off on Monday, January 5th, 2026 with the flight status being Landed on 16:20.
How else can the flight UA645 be referenced as?
This United Airlines flight can also be referenced as UAL645, UA0645, UA 645, UAL 645.
How often is flight UA645 delayed?
On average, 20% of all UA645 flights are delayed. The average delay is 70 minutes.
Can I get compensation for my delayed or cancelled UA645 flight or baggage issues?
If your UA645 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 UA645 Flight Tracker above for more details.
Flight UA645 is code-shared by 5 airlines using the flight numbers AC3891, NH7218, NZ9479, SQ1647, VA8323
Other flights departing from Los Angeles LAX: UA5572, WN799, UA2158, UA1229
Other flights arriving at Denver DEN: UA2121, UA5633, WN3327, UA630
All flights connecting Los Angeles LAX to Denver DEN.