| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Sep 24 | MCI | DEN | 09:57 | 10:25 |
Landed Late
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| Sep 23 | MCI | DEN | 09:35 | 10:08 |
Landed
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| Sep 22 | MCI | DEN | 09:16 | 09:45 |
Landed
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| Sep 21 | MCI | DEN | 09:44 | 10:18 |
Landed
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| Sep 20 | MCI | DEN | 09:55 | 10:20 |
Landed
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| Sep 19 | MCI | DEN | 09:59 | 10:26 |
Landed Late
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| Sep 18 | MCI | DEN | 09:19 | 09:39 |
Landed
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| Sep 17 | MCI | DEN | 09:19 | 09:39 |
Landed
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| Sep 16 | MCI | DEN | 09:42 | 10:13 |
Landed
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| Sep 15 | MCI | DEN | 09:49 | 10:13 |
Landed
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United Airlines Flight UA645 connects Kansas City, United States to Denver, United States, taking off from Kansas City International Airport MCI and landing at Denver International Airport DEN.
How long is the UA645 flight from Kansas City to Denver?
The average flight time from Kansas City to Denver is 1 hour and 27 minutes. The flight distance is 855 km / 531 miles and the average flight speed is 591 km/h / 367 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA645 Kansas City to Denver?
The Airportia On-Time Performance Rating for United Airlines Flight UA645 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest UA645 flight?
The latest flight took off on Wednesday, September 24th, 2025 with the flight status being Landed on 10:25.
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, 60% of all UA645 flights are delayed. The average delay is 10 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 1 airline using the flight number AC4341
Other flights departing from Kansas City MCI: WN3519, WN1301, UA5279, WN2366
Other flights arriving at Denver DEN: UA1682, UA704, UA2025, UA1929
All flights connecting Kansas City MCI to Denver DEN.
