Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL540

Operated by UAL

Live map

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

Route airports View route page →

Departure

DEN KDEN VFR

Denver International Airport

Denver, US

Local time
22:31 MDT
Timezone
America/Denver
Type
Large Airport
Elevation
5,431 ft
Coordinates
39.8600, -104.6738

cloud Weather

Wind
360° / 10 kt
Visibility
10 SM
Ceiling
FEW 14,000 ft, SCT 22,000 ft
Temp / Dew
6°C / -1°C
Altimeter
29.90 inHg

Obs: 2026-04-15T03:53:00.000Z

Raw METAR / TAF 
METAR KDEN 150353Z 36010KT 10SM FEW140 SCT220 06/M01 A2990 RMK AO2 SLP093 T00561006

TAF KDEN 150258Z 1503/1606 34011KT P6SM SCT100 FM150600 21007KT P6SM SCT200 FM151400 27007KT P6SM SCT200 FM152100 31008KT P6SM SCT200 FM160300 23007KT P6SM SCT200

flight Live Traffic

flight_takeoff 656 Departures
flight_land 576 Arrivals

Arrival

SAN KSAN VFR

San Diego International Airport

San Diego, US

Local time
21:31 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
17 ft
Coordinates
32.7336, -117.1900

cloud Weather

Wind
310° / 4 kt
Visibility
10 SM
Ceiling
FEW 2,000 ft
Temp / Dew
17°C / 12°C
Altimeter
30.06 inHg

Obs: 2026-04-15T03:51:00.000Z

Raw METAR / TAF 
METAR KSAN 150351Z 31004KT 10SM FEW020 17/12 A3006 RMK AO2 SLP177 T01670117 $

TAF KSAN 150209Z 1502/1606 31007KT P6SM SKC FM150400 VRB04KT P6SM FEW020 FM151100 VRB04KT P6SM BKN018 FM151700 VRB04KT P6SM FEW020 FM151900 29010KT P6SM SCT250 FM160300 VRB04KT P6SM FEW025

warning FAA Advisories

  • 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 137 Departures
flight_land 147 Arrivals

Recent history last 2

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-04-13 A3D302 PDX → DEN Apr 13, 03:55 UTCApr 13, 04:25 UTC30m - -
2026-04-13 A3D302 PDX → DEN Apr 13, 02:10 UTCApr 13, 04:15 UTC2h 5m - -

Performance history

Flights tracked
2
Avg arrival delay
-
On-time arrival
-
Aircraft used
1

Monthly activity 1 month

Month Flights tracked
April 2026 2

UAL540 frequently asked

Where does flight UAL540 fly?
UAL540 (UAL) flies from DEN to SAN. View the full route page.
How long is flight UAL540?
Based on observed flights, UAL540 takes on average 1h 18m from takeoff to landing.
How often does UAL540 fly?
UAL540 has been observed flying rarely in our tracking data. We've recorded 2 flights under this callsign.
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.