| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jul 30 | IDA | DEN | 16:14 | 18:05 |
Scheduled
|
Track > |
| Jul 29 | IDA | DEN | 19:13 | 18:05 |
Unknown
|
Track > |
| Jul 28 | IDA | DEN | 17:49 | 18:55 |
Delayed
|
Track > |
| Jul 27 | IDA | DEN | 16:15 | 17:25 |
Landed
|
Track > |
| Jul 26 | IDA | DEN | 18:28 | 19:36 |
Delayed
|
Track > |
| Jul 23 | IDA | DEN | 16:14 | 18:05 |
Scheduled
|
Track > |
| Jul 22 | IDA | DEN | 21:30 | 18:05 |
Unknown
|
Track > |
| Jul 21 | IDA | DEN | 16:23 | 17:36 |
Landed
|
Track > |
| Jul 20 | IDA | DEN | 16:33 | 17:45 |
Landed
|
Track > |
| Jul 19 | IDA | DEN | 16:32 | 17:39 |
Landed
|
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 542 km/h / 337 mph.
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 4.8/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest UA5666 flight?
The latest flight took off on Friday, July 31st, 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, 20% of all UA5666 flights are delayed. The average delay is 70 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, G42305
Other flights arriving at Denver DEN: UA400, WN138, WN2479, UA4743
All flights connecting Idaho Falls IDA to Denver DEN.