Apparatus

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flight_takeoff Flight

UAL540

Operated by United Airlines

Live map

Live map filtered to UAL540. Shown when the flight is currently airborne.

Route airports View route page →

Departure

PDX KPDX VFR

Portland International Airport

Portland, US

Local time
06:41 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
31 ft
Coordinates
45.5887, -122.5980

cloud Weather

Wind
0° / 0 kt
Visibility
10 SM
Ceiling
FEW 800 ft
Temp / Dew
4°C / 4°C
Altimeter
30.04 inHg

Obs: 2026-10-12T12:53:00.000Z

Raw METAR / TAF 
METAR KPDX 121253Z 00000KT 10SM FEW008 04/04 A3004 RMK AO2 SLP170 T00440039 $

TAF KPDX 121136Z 1212/1312 30003KT P6SM SKC

flight Live Traffic

flight_takeoff 42 Departures
flight_land 50 Arrivals

Arrival

DEN KDEN VFR

Denver International Airport

Denver, US

Local time
07:41 MDT
Timezone
America/Denver
Type
Large Airport
Elevation
5,431 ft
Coordinates
39.8600, -104.6738

cloud Weather

Wind
190° / 12 kt
Visibility
10 SM
Ceiling
FEW 8,000 ft, FEW 20,000 ft
Temp / Dew
15°C / 2°C
Altimeter
29.83 inHg

Obs: 2026-10-12T12:53:00.000Z

Raw METAR / TAF 
METAR KDEN 121253Z 19012KT 10SM FEW080 FEW200 15/02 A2983 RMK AO2 SLP032 T01500017

TAF KDEN 121136Z 1212/1318 20015KT P6SM SKC FM121600 23014G21KT P6SM SKC FM130100 18009KT P6SM SKC FM130500 35010KT P6SM FEW020 SCT040 FM131000 02008KT P6SM BKN020 FM131600 05007KT P6SM FEW020 BKN040

flight Live Traffic

flight_takeoff 217 Departures
flight_land 369 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-26 A24591 PDX → DEN Jul 26, 20:15 UTCJul 26, 22:15 UTC2h 0m - -
2026-07-26 A6EDA1 PDX → DEN Jul 26, 02:20 UTCJul 26, 04:10 UTC1h 50m - -
2026-07-25 AD22E1 PDX → DEN Jul 25, 20:30 UTCJul 25, 22:15 UTC1h 45m - -
2026-07-25 AD22E1 PDX → DEN Jul 25, 20:30 UTCJul 25, 22:33 UTC2h 3m +47m -6m
2026-07-25 A0B820 PDX → DEN Jul 25, 01:50 UTCJul 25, 03:40 UTC1h 50m - -
2026-07-24 AA07F9 PDX → DEN Jul 24, 20:35 UTCJul 24, 22:35 UTC2h 0m - -
2026-07-24 A3D302 PDX → DEN Jul 24, 02:25 UTCJul 24, 04:20 UTC1h 55m - -
2026-07-23 A0B7B7 PDX → DEN Jul 23, 20:10 UTCJul 23, 22:15 UTC2h 5m - -
2026-07-23 A0B7FE PDX → DEN Jul 23, 02:10 UTCJul 23, 03:00 UTC50m - -
2026-07-22 A0B7FE PDX → DEN Jul 22, 20:05 UTCJul 22, 23:15 UTC3h 10m - -
2026-07-22 A0B820 PDX → DEN Jul 22, 01:45 UTCJul 22, 03:35 UTC1h 50m - -
2026-07-21 A24508 PDX → DEN Jul 21, 20:20 UTCJul 21, 22:35 UTC2h 15m - -
2026-07-21 A6ED61 PDX → DEN Jul 21, 01:50 UTCJul 21, 03:50 UTC2h 0m - -
2026-07-20 A0B7B8 PDX → DEN Jul 20, 21:25 UTCJul 20, 23:35 UTC2h 10m - -
2026-07-20 A6EDA7 PDX → DEN Jul 20, 02:25 UTCJul 20, 04:20 UTC1h 55m - -
2026-07-19 A24526 PDX → DEN Jul 19, 20:30 UTCJul 19, 22:40 UTC2h 10m - -
2026-07-19 A0B7DE PDX → DEN Jul 19, 01:40 UTCJul 19, 03:25 UTC1h 45m - -
2026-07-18 A0B7B8 PDX → DEN Jul 18, 20:50 UTCJul 18, 22:55 UTC2h 5m - -
2026-07-18 A0B7B6 PDX → DEN Jul 18, 01:50 UTCJul 18, 04:06 UTC2h 16m +30m +26m
2026-07-18 A0B7B6 PDX → DEN Jul 18, 02:19 UTCJul 18, 04:10 UTC1h 51m - -
2026-07-17 A245FB PDX → DEN Jul 17, 20:15 UTCJul 17, 22:25 UTC2h 10m - -
2026-07-17 A0B886 PDX → DEN Jul 17, 02:20 UTCJul 17, 04:04 UTC1h 45m - -
2026-07-17 A0B886 PDX → DEN Jul 17, 02:09 UTCJul 17, 04:03 UTC1h 54m +49m +23m
2026-07-16 A0B866 PDX → DEN Jul 16, 20:55 UTCJul 16, 22:35 UTC1h 40m - -
2026-07-16 A0B866 - Jul 16, 20:29 UTCJul 16, 21:30 UTC1h 0m - -
2026-07-16 A0B7FA DEN → SAN Jul 16, 01:45 UTCJul 16, 03:40 UTC1h 55m - -
2026-07-15 A0B7BB - Jul 15, 20:20 UTCJul 15, 22:25 UTC2h 5m - -
2026-07-15 A0B889 DEN → SAN Jul 15, 01:50 UTCJul 15, 04:00 UTC2h 10m - -
2026-07-14 A56050 SFO → DEN Jul 14, 21:20 UTCJul 14, 23:30 UTC2h 9m - -
2026-07-14 A24508 DEN → SAN Jul 14, 03:05 UTCJul 14, 05:00 UTC1h 55m - -

Performance history

Flights tracked
253 showing last 30
Avg arrival delay
+14m
On-time arrival
33% 33% on time
Aircraft used
22

Monthly activity 4 months

Month Flights tracked
July 2026 59
June 2026 89
May 2026 79
April 2026 26

UAL540 frequently asked

Where does flight UAL540 fly?
UAL540 (United Airlines) flies from PDX to DEN. View the full route page.
How long is flight UAL540?
Based on observed flights, UAL540 takes on average 1h 57m from takeoff to landing.
How often does UAL540 fly?
UAL540 has been observed flying several times a week in our tracking data. We've recorded 253 flights under this callsign.
Is flight UAL540 usually on time?
Across recent flights, UAL540 arrives with an average 14-minute delay. 33% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL540?
UAL540 has been operated by 22 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL540 live?
Yes. When UAL540 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.