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
23:02 MDT
Timezone
America/Denver
Type
Large Airport
Elevation
5,431 ft
Coordinates
39.8600, -104.6738

cloud Weather

Wind
50° / 4 kt
Visibility
10 SM
Ceiling
FEW 12,000 ft, FEW 20,000 ft
Temp / Dew
14°C / 8°C
Altimeter
29.82 inHg

Obs: 2026-05-30T04:53:00.000Z

Raw METAR / TAF 
METAR KDEN 300453Z 05004KT 10SM FEW120 FEW200 14/08 A2982 RMK AO2 SLP028 T01440083

TAF KDEN 300253Z 3003/3106 34008KT P6SM FEW070 SCT120 BKN200 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

flight Live Traffic

flight_takeoff 501 Departures
flight_land 426 Arrivals

Arrival

SAN KSAN MVFR

San Diego International Airport

San Diego, US

Local time
22:02 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
17 ft
Coordinates
32.7336, -117.1900

cloud Weather

Wind
320° / 4 kt
Visibility
10 SM
Ceiling
BKN 1,900 ft
Temp / Dew
17°C / 13°C
Altimeter
30.05 inHg

Obs: 2026-05-30T04:51:00.000Z

Raw METAR / TAF 
METAR KSAN 300451Z 32004KT 10SM BKN019 17/13 A3005 RMK AO2 SLP177 T01720133

TAF KSAN 300337Z 3004/3106 31005KT P6SM SCT018 TEMPO 3004/3008 BKN018 FM301100 VRB04KT P6SM BKN018 FM301700 VRB04KT P6SM SCT018 FM301900 29010KT P6SM SKC FM310300 VRB04KT P6SM SCT015

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 131 Departures
flight_land 123 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-05-30 A2454F PDX → DEN May 30, 01:55 UTCMay 30, 03:45 UTC1h 50m - -
2026-05-29 A0B7DE PDX → DEN May 29, 20:15 UTCMay 29, 22:30 UTC2h 15m - -
2026-05-29 A12750 PDX → DEN May 29, 10:55 UTCMay 29, 15:50 UTC4h 55m - -
2026-05-28 A0B844 PDX → DEN May 28, 22:20 UTCMay 29, 00:50 UTC2h 30m - -
2026-05-28 A5CF41 PDX → DEN May 28, 11:00 UTCMay 28, 16:15 UTC5h 15m - -
2026-05-28 A5CF41 PDX → DEN May 28, 10:50 UTCMay 28, 16:13 UTC5h 23m +15m on time
2026-05-28 A55FA2 PDX → DEN May 28, 02:25 UTCMay 28, 04:25 UTC2h 0m - -
2026-05-27 A55FE9 PDX → DEN May 27, 20:15 UTCMay 27, 22:25 UTC2h 10m - -
2026-05-27 A12733 PDX → DEN May 27, 10:45 UTCMay 27, 15:55 UTC5h 10m - -
2026-05-27 A12733 PDX → DEN May 27, 10:50 UTCMay 27, 15:51 UTC5h 1m +15m +11m
2026-05-27 A0B81E PDX → DEN May 27, 01:40 UTCMay 27, 03:38 UTC1h 58m +20m -7m
2026-05-26 A0B841 PDX → DEN May 26, 20:09 UTCMay 26, 22:15 UTC2h 5m - -
2026-05-26 A6ED61 PDX → DEN May 26, 01:55 UTCMay 26, 03:50 UTC1h 55m - -
2026-05-26 A6ED61 PDX → DEN May 26, 01:44 UTCMay 26, 03:44 UTC2h 0m +24m -6m
2026-05-25 A0B88A PDX → DEN May 25, 20:27 UTCMay 25, 22:38 UTC2h 11m +44m -1m
2026-05-25 A0B88A PDX → DEN May 25, 20:34 UTCMay 25, 22:40 UTC2h 5m - -
2026-05-25 A123BF PDX → DEN May 25, 10:45 UTCMay 25, 15:50 UTC5h 5m - -
2026-05-25 A0B820 PDX → DEN May 25, 01:55 UTCMay 25, 03:40 UTC1h 45m - -
2026-05-25 A0B820 PDX → DEN May 25, 01:40 UTCMay 25, 03:44 UTC2h 4m -1083m -3m
2026-05-24 A0B801 PDX → DEN May 24, 20:30 UTCMay 25, 02:55 UTC6h 25m - -
2026-05-24 A126C4 PDX → DEN May 24, 10:55 UTCMay 24, 16:05 UTC5h 10m - -
2026-05-24 A126C4 PDX → DEN May 24, 10:50 UTCMay 24, 16:01 UTC5h 11m -1425m -5m
2026-05-24 A55FE9 PDX → DEN May 24, 01:40 UTCMay 24, 03:35 UTC1h 55m - -
2026-05-24 A55FE9 PDX → DEN May 24, 01:40 UTCMay 24, 03:33 UTC1h 53m -535m -11m
2026-05-23 A0B7D8 PDX → DEN May 23, 20:15 UTCMay 23, 22:15 UTC2h 0m - -
2026-05-23 AC0BC4 PDX → DEN May 23, 10:40 UTCMay 23, 16:00 UTC5h 20m - -
2026-05-23 A6EDA7 PDX → DEN May 23, 02:15 UTCMay 23, 04:10 UTC1h 54m - -
2026-05-22 A2450B PDX → DEN May 22, 20:25 UTCMay 22, 22:25 UTC2h 0m - -
2026-05-22 A2B12D PDX → DEN May 22, 11:20 UTCMay 22, 16:30 UTC5h 11m - -
2026-05-22 A0B803 PDX → DEN May 22, 02:20 UTCMay 22, 04:10 UTC1h 50m - -

Performance history

Flights tracked
101 showing last 30
Avg arrival delay
-3m
On-time arrival
100% 100% on time
Aircraft used
22

Monthly activity 2 months

Month Flights tracked
May 2026 75
April 2026 26

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 3h 13m 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 101 flights under this callsign.
Is flight UAL540 usually on time?
Across recent flights, UAL540 arrives 3 minutes early on average. 100% 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.