Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL540K

Operated by United Airlines

Live map

Live map filtered to UAL540K. Shown when the flight is currently airborne.

Route airports View route page →

Departure

DEN KDEN VFR

Denver International Airport

Denver, US

Local time
19:14 MDT
Timezone
America/Denver
Type
Large Airport
Elevation
5,431 ft
Coordinates
39.8600, -104.6738

cloud Weather

Wind
230° / 8 kt
Visibility
10 SM
Ceiling
BKN 9,000 ft, BKN 13,000 ft, BKN 22,000 ft
Temp / Dew
28°C / 8°C
Altimeter
30.14 inHg

Obs: 2026-08-29T00:53:00.000Z

Raw METAR / TAF 
METAR KDEN 290053Z 23008KT 10SM BKN090 BKN130 BKN220 28/08 A3014 RMK AO2 WSHFT 2348 VIRGA W-NW SLP121 T02830078

TAF KDEN 290055Z 2901/3006 25010KT P6SM BKN100 BKN140 PROB30 2901/2902 VRB15G30KT -SHRA BKN100 FM290200 24010KT P6SM SCT120 BKN200 FM290500 21009KT P6SM SCT120 SCT200 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

warning FAA Advisories

  • Ground Delay: thunderstorms (avg 21 minutes)

flight Live Traffic

flight_takeoff 296 Departures
flight_land 470 Arrivals

Arrival

SAN KSAN VFR

San Diego International Airport

San Diego, US

Local time
18:14 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
17 ft
Coordinates
32.7336, -117.1900

cloud Weather

Wind
190° / 5 kt
Visibility
10 SM
Ceiling
FEW 500 ft, FEW 5,000 ft
Temp / Dew
26°C / 22°C
Altimeter
29.87 inHg

Obs: 2026-08-29T00:51:00.000Z

Raw METAR / TAF 
METAR KSAN 290051Z 19005KT 10SM FEW005 FEW050 26/22 A2987 RMK AO2 SLP113 CB DSNT NE T02610217 $

TAF KSAN 282335Z 2900/3006 20009G18KT P6SM VCFG FEW003 SCT200 FM290300 VRB04KT P6SM FEW006 TEMPO 2908/2912 BKN006 FM291200 VRB04KT P6SM BKN006 FM291600 VRB04KT P6SM FEW008 FM291900 29010KT P6SM SCT200 FM300300 VRB04KT P6SM BKN200

warning FAA Advisories

  • Ground Delay: airport volume (avg 1 hour and 1 minute)

flight Live Traffic

flight_takeoff 97 Departures
flight_land 112 Arrivals

Recent history last 1

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-23 A0B86C DEN → SAN Jul 23, 04:35 UTCJul 23, 06:25 UTC1h 50m - -

Performance history

Flights tracked
1
Avg arrival delay
-
On-time arrival
-
Aircraft used
1

Monthly activity 1 month

Month Flights tracked
July 2026 1

UAL540K frequently asked

Where does flight UAL540K fly?
UAL540K (United Airlines) flies from DEN to SAN. View the full route page.
How long is flight UAL540K?
Based on observed flights, UAL540K takes on average 1h 50m from takeoff to landing.
How often does UAL540K fly?
UAL540K has been observed flying rarely in our tracking data. We've recorded 1 flight under this callsign.
Can I track UAL540K live?
Yes. When UAL540K 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.