| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jan 05 | DEN | IDA | 12:02 | 13:18 |
Landed
|
Track > |
| Jan 04 | DEN | IDA | 12:01 | 13:14 |
Landed
|
Track > |
| Jan 03 | DEN | IDA | 12:01 | 13:18 |
Landed
|
Track > |
| Jan 02 | DEN | IDA | 11:54 | 13:04 |
Landed
|
Track > |
| Jan 01 | DEN | IDA | 11:54 | 13:05 |
Landed
|
Track > |
| Dec 31 | DEN | IDA | 12:14 | 13:24 |
Landed
|
Track > |
| Dec 30 | DEN | IDA | 13:24 | 14:37 |
Delayed
|
Track > |
| Dec 29 | DEN | IDA | 11:59 | 13:08 |
Landed
|
Track > |
| Dec 28 | DEN | IDA | 12:33 | 13:53 |
Landed Late
|
Track > |
| Dec 27 | DEN | IDA | 12:14 | 13:36 |
Landed
|
Track > |
United Airlines Flight UA439 connects Denver, United States to Idaho Falls, United States, taking off from Denver International Airport DEN and landing at Idaho Falls Regional Airport IDA.
How long is the UA439 flight from Denver to Idaho Falls?
The average flight time from Denver to Idaho Falls is 1 hour and 14 minutes. The flight distance is 736 km / 457 miles and the average flight speed is 598 km/h / 371 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA439 Denver to Idaho Falls?
The Airportia On-Time Performance Rating for United Airlines Flight UA439 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest UA439 flight?
The latest flight took off on Monday, January 5th, 2026 with the flight status being Landed on 13:18.
How else can the flight UA439 be referenced as?
This United Airlines flight can also be referenced as UAL439, UA0439, UA 439, UAL 439.
How often is flight UA439 delayed?
On average, 30% of all UA439 flights are delayed. The average delay is 32 minutes.
Can I get compensation for my delayed or cancelled UA439 flight or baggage issues?
If your UA439 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 UA439 Flight Tracker above for more details.
Other flights departing from Denver DEN: UA1956, UA350, AA2765, WN4662
Other flights arriving at Idaho Falls IDA: AS3422, G41595, G4107, G4645
All flights connecting Denver DEN to Idaho Falls IDA.