Apparatus

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flight_takeoff Flight

UAL540L

Operated by United Airlines

Live map

Live map filtered to UAL540L. Shown when the flight is currently airborne.

Route airports View route page →

Departure

DEN KDEN VFR

Denver International Airport

Denver, US

Local time
19:12 MDT
Timezone
America/Denver
Type
Large Airport
Elevation
5,431 ft
Coordinates
39.8600, -104.6738

cloud Weather

Wind
290° / 7 kt
Visibility
10 SM
Ceiling
FEW 7,000 ft, SCT 11,000 ft, BKN 20,000 ft
Temp / Dew
23°C / 6°C
Altimeter
29.79 inHg

Obs: 2026-05-30T00:53:00.000Z

Raw METAR / TAF 
METAR KDEN 300053Z 29007KT 10SM FEW070 SCT110 BKN200 23/06 A2979 RMK AO2 SLP018 T02280056

TAF KDEN 300002Z 3000/3106 32010KT P6SM VCSH SCT070 BKN110 BKN150 FM300200 03010KT P6SM SCT100 BKN150 FM300600 32007KT P6SM FEW100 SCT200 FM300900 25006KT P6SM FEW100 SCT200 FM301400 28009KT P6SM SCT180 FM302100 31012KT P6SM VCSH SCT100 PROB30 3021/3101 VRB15G25KT FM310300 27013KT P6SM FEW080 SCT100

warning FAA Advisories

  • Ground Delay: thunderstorms (avg 59 minutes)

flight Live Traffic

flight_takeoff 455 Departures
flight_land 531 Arrivals

Arrival

SAN KSAN VFR

San Diego International Airport

San Diego, US

Local time
18:12 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
17 ft
Coordinates
32.7336, -117.1900

cloud Weather

Wind
290° / 11 kt
Visibility
10 SM
Ceiling
SCT 2,500 ft
Temp / Dew
19°C / 13°C
Altimeter
30.02 inHg

Obs: 2026-05-30T00:51:00.000Z

Raw METAR / TAF 
METAR KSAN 300051Z 29011KT 10SM SCT025 19/13 A3002 RMK AO2 SLP163 T01940128

TAF KSAN 292332Z 3000/3106 30011KT P6SM SCT030 FM300400 VRB05KT P6SM SCT020 TEMPO 3007/3011 BKN020 FM301100 VRB04KT P6SM BKN018 FM301700 VRB04KT P6SM SCT018 FM301900 29010KT P6SM SKC FM310300 VRB04KT P6SM SCT015

warning FAA Advisories

  • Ground Delay: airport volume (avg 20 minutes)
  • Closed: !SAN 03/071 SAN AD AP CLSD TO NON SKED TRANSIENT GA ACFT EXC PPR 619-298-7704 2603181300-2610010800 (Mar 18 at 13:00 UTC. – Oct 01 at 08:00 UTC.)

flight Live Traffic

flight_takeoff 160 Departures
flight_land 158 Arrivals

Recent history last 1

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-05-29 A0B889 DEN → SAN May 29, 01:45 UTCMay 29, 03:50 UTC2h 5m - -

Performance history

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

Monthly activity 1 month

Month Flights tracked
May 2026 1

UAL540L frequently asked

Where does flight UAL540L fly?
UAL540L (United Airlines) flies from DEN to SAN. View the full route page.
How long is flight UAL540L?
Based on observed flights, UAL540L takes on average 2h 5m from takeoff to landing.
How often does UAL540L fly?
UAL540L has been observed flying rarely in our tracking data. We've recorded 1 flight under this callsign.
Can I track UAL540L live?
Yes. When UAL540L 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.