UA255: United flight 255
Denver (DEN) → Boise (BOI) · departs 7:40a, lands 9:34a local · Daily
The timetable below has every scheduled departure; for today's flight, check United.
An estimate from the published timetable, not live tracking: it cannot know about delays, diversions or cancellations.
Live status at United →The route
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UA255 timetable
Published departure and arrival times, each in its airport's local time, from the flights we sampled Oct 14–20.
| Route | Departs | Arrives | Scheduled | Days |
|---|---|---|---|---|
| DEN → BOIDenver to Boise | 7:40a | 9:34a | 1h54m | Daily |
How UA255 ran in our sample
7 of 7 departures left within 15 minutes of schedule (Oct 14–20). Only flights that departed are counted: cancellations are not in our data.
Aircraft: Airbus A320 on 6 of 7; also Boeing 737-800 (1).
Other flights on this route: UA2255 · all of them →
What time does UA255 leave Denver?
UA255 is scheduled to depart Denver (DEN) at 7:40a (daily), Denver time, and to land in Boise (BOI) at about 9:34a local time, a scheduled 1h54m. Times are the published ones from the flights we sampled Oct 14–20; check United for today's.
What plane is UA255?
Airbus A320 on 6 of the 7 UA255 flights from DEN we sampled Oct 14–20; the rest were a Boeing 737-800. Airlines swap aircraft, so the plane on a given day can differ.
Does UA255 fly every day?
Yes — UA255 flew Denver to Boise every day of the week we sampled (Oct 14–20).
Is UA255 usually on time?
Of 7 UA255 departures from DEN we sampled Oct 14–20, 7 left within 15 minutes of the scheduled time. That counts only flights that departed — cancellations are not in our data — and one week is a small sample, so treat it as a hint, not a rating.
More United flights from Denver
Timetable from United departures we observed; UA255 is a United Airlines flight number, and Hop Nonstop is not affiliated with United. Schedules change — confirm with the airline before you travel.