UA255

DEN → BOI · Airbus A320 233 · United Airlines

For travellers

Departure · Denver (DEN)

Gate B27

Scheduled 07:40 · Estimated 07:40

Board status: On time

Airborne since 07:48 (ADS-B)

Arrival · Boise (BOI)

Gate B11

Scheduled 09:34 · Estimated 09:36

Board status: Scheduled

Landed 09:27 (ADS-B)

Board data from boi, den, updated 34 min ago; times local to each airport.

Flight

Status

Completed

Arrival confirmed via

ADS-B (callsign change)

Departure

Denver International Airport (DEN) — Denver, United States

Scheduled departure

2026-10-02 13:40 UTC

Departed

2026-10-02 13:48 UTC

Arrival

Boise Air Terminal/Gowen Field (BOI) — Boise, United States

Scheduled arrival

2026-10-02 15:34 UTC

Estimated arrival

2026-10-02 15:36 UTC

Distance flown

1108 km

Straight-line distance

1042 km

Approach distance

82 km

Aircraft

Registration

N434UA

Type

Airbus A320 233

Seats

150 total (96 Economy, 42 Economy Plus, 12 First)

Altitude & speed

Max altitude

36,025 ft

Max ground speed

438 kt

Tracked

1h 39m · 1,101 km

Altitude (ft, max 36,025)

Ground speed (kt, max 438)

Altitude (ft, max 36,025)

Ground speed (kt, max 438)

From the ADS-B positions we received; time since the first fix. A dashed stretch is a gap in reception, bridged by a straight line.

Route map

Airline

United Airlines (UAL)

Latest flights

Departed	Flight	Route	Reg	Aircraft	Status	Distance
2026-10-02 13:48 UTC	UAL255	DEN → BOI Denver → Boise	N434UA	Airbus A320 233	Completed	1108 km
2026-10-01 13:48 UTC	UAL255	DEN → BOI Denver → Boise	N485UA	Airbus A320 233	Completed	1104 km
2026-09-30 13:51 UTC	UAL255	DEN → BOI Denver → Boise	N464UA	Airbus A320 233	Completed	1088 km
2026-09-29 13:40 UTC	UAL255	DEN → BOI Denver → Boise	N464UA	Airbus A320 233	Completed	1090 km

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