| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Sep 01 | DEN | BOI | 19:40 | 21:07 |
Landed
|
Track > |
| Aug 31 | DEN | BOI | 19:18 | 20:49 |
Landed
|
Track > |
| Aug 30 | DEN | BOI | 19:55 | 21:29 |
Landed
|
Track > |
| Aug 29 | DEN | BOI | 19:42 | 21:13 |
Landed
|
Track > |
| Aug 28 | DEN | BOI | 20:09 | 21:40 |
Landed Late
|
Track > |
| Aug 27 | DEN | BOI | 20:02 | 21:28 |
Landed
|
Track > |
| Aug 26 | DEN | BOI | 20:15 | 21:44 |
Landed Late
|
Track > |
| Aug 25 | DEN | BOI | 19:40 | 21:12 |
Landed
|
Track > |
| Aug 24 | DEN | BOI | 19:32 | 21:03 |
Landed
|
Track > |
| Aug 23 | DEN | BOI | 19:50 | 21:19 |
Landed
|
Track > |
United Airlines Flight UA638 connects Denver, United States to Boise, United States, taking off from Denver International Airport DEN and landing at Boise Airport BOI.
How long is the UA638 flight from Denver to Boise?
The average flight time from Denver to Boise is 1 hour and 30 minutes. The flight distance is 1042 km / 648 miles and the average flight speed is 694 km/h / 431 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA638 Denver to Boise?
The Airportia On-Time Performance Rating for United Airlines Flight UA638 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest UA638 flight?
The latest flight took off on Tuesday, September 2nd, 2025 with the flight status being Landed on 21:07.
How else can the flight UA638 be referenced as?
This United Airlines flight can also be referenced as UAL638, UA0638, UA 638, UAL 638.
How often is flight UA638 delayed?
On average, 50% of all UA638 flights are delayed. The average delay is 17 minutes.
Can I get compensation for my delayed or cancelled UA638 flight or baggage issues?
If your UA638 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 UA638 Flight Tracker above for more details.
Flight UA638 is code-shared by 3 airlines using the flight numbers AC5218, LH9194, LX3116
Other flights departing from Denver DEN: AA2602, UA1136, OO5034, OO5533
Other flights arriving at Boise BOI: AA6242, NK1409, G4648, AA3295
All flights connecting Denver DEN to Boise BOI.
