| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Sep 01 | DSM | DEN | 11:36 | 12:04 |
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| Aug 31 | DSM | DEN | 09:33 | 10:08 |
Landed
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| Aug 30 | DSM | DEN | 09:35 | 10:13 |
Landed
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| Aug 29 | DSM | DEN | 09:54 | 10:28 |
Landed
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| Aug 28 | DSM | DEN | 09:59 | 10:28 |
Landed
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| Aug 27 | DSM | DEN | 09:41 | 10:12 |
Landed
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| Aug 26 | DSM | DEN | 09:25 | 10:01 |
Landed
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| Aug 25 | DSM | DEN | 09:39 | 10:16 |
Landed
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| Aug 24 | DSM | DEN | 09:42 | 10:19 |
Landed
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| Aug 23 | DSM | DEN | 09:23 | 09:58 |
Landed
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United Airlines Flight UA1521 connects Des Moines, United States to Denver, United States, taking off from Des Moines International Airport DSM and landing at Denver International Airport DEN.
How long is the UA1521 flight from Des Moines to Denver?
The average flight time from Des Moines to Denver is 1 hour and 34 minutes. The flight distance is 946 km / 588 miles and the average flight speed is 605 km/h / 376 mph.
How many UA1521 flights are operated per week?
7 flights per week. The flight UA1521 is operated on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday.
What is the On-Time Performance (OTP) of United Airlines Flight UA1521 Des Moines to Denver?
The Airportia On-Time Performance Rating for United Airlines Flight UA1521 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest UA1521 flight?
The latest flight took off on Tuesday, September 1st, 2026 with the flight status being En-Route on 12:04.
How else can the flight UA1521 be referenced as?
This United Airlines flight can also be referenced as UAL1521, UA 1521, UAL 1521.
How often is flight UA1521 delayed?
On average, 30% of all UA1521 flights are delayed. The average delay is 38 minutes.
Can I get compensation for my delayed or cancelled UA1521 flight or baggage issues?
If your UA1521 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 UA1521 Flight Tracker above for more details.
Flight UA1521 is code-shared by 1 airline using the flight number AC4774
Other flights departing from Des Moines DSM: UA2668, AA2854, MQ3930, 9E5048
Other flights arriving at Denver DEN: UA647, UA1311, UA1808, OO5455
All flights connecting Des Moines DSM to Denver DEN.