| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jan 05 | MIA | DEN | 07:43 | 09:59 |
Landed
|
Track > |
| Jan 04 | MIA | DEN | 08:00 | 10:07 |
Landed
|
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| Jan 03 | MIA | DEN | 07:56 | 10:01 |
Landed
|
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| Jan 02 | MIA | DEN | 07:51 | 10:06 |
Landed
|
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| Jan 01 | MIA | DEN | 08:28 | 10:39 |
Landed Late
|
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| Dec 31 | MIA | DEN | 07:46 | 09:55 |
Landed
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| Dec 30 | MIA | DEN | 07:41 | 09:40 |
Landed
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| Dec 29 | MIA | DEN | 07:51 | 10:00 |
Landed
|
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| Dec 28 | MIA | DEN | 07:41 | 09:43 |
Landed
|
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| Dec 27 | MIA | DEN | 07:57 | 09:50 |
Landed
|
Track > |
United Airlines Flight UA644 connects Miami, United States to Denver, United States, taking off from Miami International Airport MIA and landing at Denver International Airport DEN.
How long is the UA644 flight from Miami to Denver?
The average flight time from Miami to Denver is 4 hours and 6 minutes. The flight distance is 2749 km / 1708 miles and the average flight speed is 669 km/h / 416 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA644 Miami to Denver?
The Airportia On-Time Performance Rating for United Airlines Flight UA644 is 5/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest UA644 flight?
The latest flight took off on Monday, January 5th, 2026 with the flight status being Landed on 09:59.
How else can the flight UA644 be referenced as?
This United Airlines flight can also be referenced as UAL644, UA0644, UA 644, UAL 644.
How often is flight UA644 delayed?
On average, 10% of all UA644 flights are delayed. The average delay is 27 minutes.
Can I get compensation for my delayed or cancelled UA644 flight or baggage issues?
If your UA644 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 UA644 Flight Tracker above for more details.
Flight UA644 is code-shared by 1 airline using the flight number CM2854
Other flights departing from Miami MIA: AS793, AA2103, AA3867, AA3910
Other flights arriving at Denver DEN: UA2632, UA1772, UA1298, WN1925
All flights connecting Miami MIA to Denver DEN.
