| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jul 18 | IDA | DEN | 16:14 | 18:05 |
Scheduled
|
Track > |
| Jul 17 | IDA | DEN | 16:35 | 17:44 |
Landed
|
Track > |
| Jul 16 | IDA | DEN | 16:23 | 17:30 |
Landed
|
Track > |
| Jul 15 | IDA | DEN | 16:19 | 17:27 |
Landed
|
Track > |
| Jul 14 | IDA | DEN | 16:23 | 17:32 |
Landed
|
Track > |
| Jul 13 | IDA | DEN | 17:26 | 18:33 |
Landed Late
|
Track > |
| Jul 12 | IDA | DEN | 16:35 | 17:42 |
Landed
|
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| Jul 11 | IDA | DEN | 16:27 | 17:45 |
Landed
|
Track > |
| Jul 10 | IDA | DEN | 16:22 | 17:29 |
Landed
|
Track > |
| Jul 09 | IDA | DEN | 19:43 | 18:05 |
Unknown
|
Track > |
United Airlines Flight UA5666 connects Idaho Falls, United States to Denver, United States, taking off from Idaho Falls Regional Airport IDA and landing at Denver International Airport DEN.
How long is the UA5666 flight from Idaho Falls to Denver?
The average flight time from Idaho Falls to Denver is 1 hour and 9 minutes. The flight distance is 736 km / 457 miles and the average flight speed is 593 km/h / 368 mph.
How many UA5666 flights are operated per week?
7 flights per week. The flight UA5666 is operated on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday.
What is the On-Time Performance (OTP) of United Airlines Flight UA5666 Idaho Falls to Denver?
The Airportia On-Time Performance Rating for United Airlines Flight UA5666 is 5/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest UA5666 flight?
The latest flight took off on Sunday, July 19th, 2026 with the flight status being Scheduled on 18:05.
How else can the flight UA5666 be referenced as?
This United Airlines flight can also be referenced as UAL5666, UA 5666, UAL 5666.
How often is flight UA5666 delayed?
On average, 10% of all UA5666 flights are delayed. The average delay is 28 minutes.
Can I get compensation for my delayed or cancelled UA5666 flight or baggage issues?
If your UA5666 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 UA5666 Flight Tracker above for more details.
Other flights departing from Idaho Falls IDA: DL3765, AS3421, UA5551, DL3895
Other flights arriving at Denver DEN: WN2252, UA1001, WN2161, WN3912
All flights connecting Idaho Falls IDA to Denver DEN.