Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL255

Operated by UAL

Live map

Live map filtered to UAL255. Shown when the flight is currently airborne.

Route airports View route page →

Departure

DEN KDEN VFR

Denver International Airport

Denver, US

Local time
01:36 MDT
Timezone
America/Denver
Type
Large Airport
Elevation
5,431 ft
Coordinates
39.8600, -104.6738

cloud Weather

Wind
200° / 8 kt
Visibility
10 SM
Ceiling
FEW 12,000 ft, FEW 22,000 ft
Temp / Dew
20°C / 9°C
Altimeter
30.15 inHg

Obs: 2026-08-29T06:53:00.000Z

Raw METAR / TAF 
METAR KDEN 290653Z 20008KT 10SM FEW120 FEW220 20/09 A3015 RMK AO2 SLP115 T02000094 403500156

TAF KDEN 290537Z 2906/3012 VRB06KT P6SM SCT120 SCT200 FM290700 21009KT P6SM SCT120 BKN200 FM291600 25007KT P6SM FEW110 SCT200 FM291900 25010KT P6SM VCSH SCT100 BKN150 TEMPO 2920/2924 VRB20G35KT -TSRA BKN080CB FM300000 33012KT P6SM SCT100 BKN150 PROB30 3000/3004 -SHRA BKN100 FM300500 01008KT P6SM SCT100 BKN200 FM300900 19009KT P6SM FEW100 BKN200

flight Live Traffic

flight_takeoff 182 Departures
flight_land 179 Arrivals

Arrival

BOI KBOI VFR

Boise Air Terminal/Gowen Field

Boise, US

Local time
01:36 MDT
Timezone
America/Boise
Type
Large Airport
Elevation
2,871 ft
Coordinates
43.5644, -116.2230

cloud Weather

Wind
120° / 14G23 kt
Visibility
10 SM
Ceiling
CLR
Temp / Dew
23°C / 10°C
Altimeter
29.93 inHg

Obs: 2026-08-29T06:53:00.000Z

Raw METAR / TAF 
METAR KBOI 290653Z 12014G23KT 10SM CLR 23/10 A2993 RMK AO2 SLP106 T02280100 403060194

TAF KBOI 290520Z 2906/3006 13013G23KT P6SM BKN120 FM291000 13010KT P6SM BKN120 FM291500 VRB06KT P6SM BKN100 FM292000 33007KT P6SM VCSH BKN100 FM300400 32012G22KT P6SM BKN120

flight Live Traffic

flight_takeoff 21 Departures
flight_land 19 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-26 A524E1 ATL → EWR Jul 26, 14:10 UTCJul 26, 16:15 UTC2h 5m - -
2026-07-25 A5D1B9 ATL → EWR Jul 25, 14:00 UTCJul 25, 16:10 UTC2h 10m - -
2026-07-25 A5D1B9 ATL → EWR Jul 25, 13:45 UTCJul 25, 16:04 UTC2h 19m +5m -13m
2026-07-24 A5B1A8 ATL → EWR Jul 24, 14:40 UTCJul 24, 16:40 UTC2h 0m - -
2026-07-24 A5B1A8 ATL → EWR Jul 24, 13:45 UTCJul 24, 16:37 UTC2h 52m +5m -46m
2026-07-23 A524E1 ATL → EWR Jul 23, 14:05 UTCJul 23, 16:20 UTC2h 15m - -
2026-07-23 A524E1 ATL → EWR Jul 23, 13:45 UTCJul 23, 16:15 UTC2h 30m +5m -11m
2026-07-22 A553CE ATL → EWR Jul 22, 13:55 UTCJul 22, 16:10 UTC2h 15m - -
2026-07-21 A61592 ATL → EWR Jul 21, 14:55 UTCJul 21, 16:55 UTC2h 0m - -
2026-07-20 A56A18 ATW → DEN Jul 20, 14:00 UTCJul 20, 16:05 UTC2h 5m - -
2026-07-19 A58DE0 - Jul 19, 13:55 UTCJul 19, 15:55 UTC2h 0m - -
2026-07-19 A58DE0 ATW → DEN Jul 19, 13:37 UTCJul 19, 15:50 UTC2h 13m +5m -25m
2026-07-18 A61D00 - Jul 18, 13:50 UTCJul 18, 15:45 UTC1h 55m - -
2026-07-17 A59F15 - Jul 17, 14:04 UTCJul 17, 16:00 UTC1h 55m - -
2026-07-16 AC2ABD - Jul 16, 14:00 UTCJul 16, 16:00 UTC2h 0m - -
2026-07-15 AC2ABD ATW → DEN Jul 15, 14:25 UTCJul 15, 16:20 UTC1h 55m - -
2026-07-14 AB5056 - Jul 14, 14:00 UTCJul 14, 15:55 UTC1h 55m - -
2026-07-13 AC64CF - Jul 13, 13:55 UTCJul 13, 15:50 UTC1h 55m - -
2026-07-12 ABFF87 ATW → DEN Jul 12, 14:10 UTCJul 12, 16:05 UTC1h 55m - -
2026-07-11 AB7067 ATW → DEN Jul 11, 14:00 UTCJul 11, 16:00 UTC2h 0m - -
2026-07-11 AB7067 ATW → DEN Jul 11, 14:00 UTCJul 11, 16:05 UTC2h 5m +15m +14m
2026-07-10 AC6118 ATW → DEN Jul 10, 13:55 UTCJul 10, 16:05 UTC2h 10m - -
2026-07-10 AC6118 ATW → DEN Jul 10, 13:50 UTCJul 10, 16:03 UTC2h 13m +5m +1m
2026-07-09 AB618B - Jul 9, 13:50 UTCJul 9, 16:05 UTC2h 15m - -
2026-07-09 AB618B ATW → DEN Jul 9, 13:50 UTCJul 9, 16:00 UTC2h 10m +5m -2m
2026-07-08 AC4ACE ATW → DEN Jul 8, 14:00 UTCJul 8, 16:05 UTC2h 5m - -
2026-07-07 AC234F - Jul 7, 13:55 UTCJul 7, 15:55 UTC2h 0m - -
2026-07-06 AC6118 - Jul 6, 14:00 UTCJul 6, 16:05 UTC2h 5m - -
2026-07-05 AB8CC1 - Jul 5, 14:05 UTCJul 5, 16:05 UTC2h 0m - -
2026-07-04 AB3655 - Jul 4, 14:35 UTCJul 4, 16:30 UTC1h 55m - -

Performance history

Flights tracked
137 showing last 30
Avg arrival delay
-12m
On-time arrival
100% 100% on time
Aircraft used
20

Monthly activity 4 months

Month Flights tracked
July 2026 35
June 2026 37
May 2026 36
April 2026 29

UAL255 frequently asked

Where does flight UAL255 fly?
UAL255 (UAL) flies from DEN to BOI. View the full route page.
How long is flight UAL255?
Based on observed flights, UAL255 takes on average 2h 6m from takeoff to landing.
How often does UAL255 fly?
UAL255 has been observed flying several times a week in our tracking data. We've recorded 137 flights under this callsign.
Is flight UAL255 usually on time?
Across recent flights, UAL255 arrives 12 minutes early on average. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL255?
UAL255 has been operated by 20 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL255 live?
Yes. When UAL255 is currently airborne, the live tracker map above shows its real-time position from ADS-B broadcasts. If the map is empty, the flight is not currently in the air.