UA255 Flight Status United Airlines: Denver to Boise (UAL255)
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UA 255 Denver to Boise Flight Status
Not scheduled today (November 14th, 2026). Latest flight: October 24th, 2026 ; recent history is in the table below.
UA 255 Flight Status & Schedule United Airlines Denver to Boise
| Date | From | To | Departure | Arrival | Status | Details |
|---|---|---|---|---|---|---|
| Oct 24 | DEN | BOI | 07:45 | 09:22 | Landed | Track > |
| Oct 23 | DEN | BOI | 07:56 | 09:24 | Landed | Track > |
| Oct 22 | DEN | BOI | 09:07 | 10:35 | Delayed | Track > |
| Oct 21 | DEN | BOI | 07:51 | 09:26 | Landed | Track > |
| Oct 20 | DEN | BOI | 07:45 | 09:18 | Landed | Track > |
| Oct 19 | DEN | BOI | 07:58 | 09:30 | Landed | Track > |
| Oct 18 | DEN | BOI | 07:53 | 09:24 | Landed | Track > |
| Oct 17 | DEN | BOI | 08:08 | 09:37 | Landed | Track > |
| Oct 16 | DEN | BOI | 08:07 | 09:37 | Landed | Track > |
| Oct 15 | DEN | BOI | 07:47 | 09:22 | Landed | Track > |
United Airlines' Denver–Boise flight covers 1,042 km (648 mi). Its timetable allows 1 h 54 min; in practice it usually takes about 1 h 30 min, so it often makes up time. It is not flying today; the last flight, on 24 October 2026, landed on time.
About UA 255
United Airlines Flight UA255 connects Denver, United States to Boise, United States, taking off from Denver International Airport DEN and landing at Boise Airport BOI.
- Distance
- 1,042 km (648 mi)
- Typical flight time
- 1 h 30 min
- On time
- 9 of the last 9
UA 255 FAQ
- How long is the UA255 flight from Denver to Boise?
- The timetable allows 1 h 54 min. Denver to Boise is 1,042 km (648 mi).
- How often is UA255 from Denver to Boise late?
- None of the last 9 flights arrived 15 or more minutes late.
- When was the latest UA255 flight from Denver to Boise?
- The latest UA255 was the 07:40 (local time) departure from Denver on 24 October 2026; it landed 12 minutes early.
- What other flight numbers does UA255 have?
- Also listed as UAL255 (United Airlines' ICAO code) and UA 255.
UA255 and Denver DEN to Boise BOI Flights
Flight UA255 is code-shared by 1 airline using the flight number AC3218
Other flights departing from Denver DEN: OO6041, OO4697, OO5476
Other flights arriving at Boise BOI: OO3407, WN552, WN2806, AS2272
All flights connecting Denver DEN to Boise BOI.