8 Feb
UA540
EST. DEPART IN 23h 14m
02:10
Denver, CO (DEN)
04:42
San Diego, CA (SAN)
02h32m
N14548 (A21N)
1372 km
Estimated
02:10
In 23 hours
Estimated
04:42
In 1 day
UA540
UAL540
EST. DEPART IN 23h 14m
Sunday, February 8 2026
19:10 MST
ON-TIME
Scheduled 19:10
Sunday, February 8 2026
20:42 PST
Scheduled 20:42
Flight info
Airline/Operator
Duration
02h32m
Distance
1372 km
Operation Days
Sun
Mon
Tue
Wed
Thu
Fri
Sat
Departure Gate
-
Arrival Gate
45
Departure Terminal
-
Arrival Terminal
2
ATC Route
KDEN.BAYLR6.TEHRU..PLNDL.Q86.TTRUE.LUCKI1.KSAN
Position Info
Latitude
-
Longitude
-
Altitude
-
Ground Speed
Wind
Air Temperature
Vertical Speed
Heading
-
Squawk
-
Source
-
Station
-
FIR
Aircraft Info
Aircraft Model
Registration
Mode-S
-
Serial Number
-
Aircraft Age
Owner
Last Activity
1 hour ago
Last Known Location
Las Vegas, NV, United States
Last Flight
Aircraft Type
Nr. Engines
Nr. Seats
Weight Class
Cruising Speed
Engine
Engine Type
Aircraft Category
Registrant Type
Airworthiness Class
Operation Types
Certificate Issue Date
Registration Status
Flight Activity
  • Future
  • 9 Feb
    UA540
    EST. DEPART IN 1d
    02:10
    Denver, CO (DEN)
    04:42
    San Diego, CA (SAN)
    02h32m
    N14524 (A21N)
    1372 km
    Estimated
    02:10
    In 2 days
    Estimated
    04:42
    In 2 days
  • 8 Feb
    UA540
    EST. DEPART IN 23h 14m
    02:10
    Denver, CO (DEN)
    04:42
    San Diego, CA (SAN)
    02h32m
    N14548 (A21N)
    1372 km
    Estimated
    02:10
    In 23 hours
    Estimated
    04:42
    In 1 day
  • Current
  • 7 Feb
    UA540
    LANDING IN 1h 43m
    02:18
    Denver, CO (DEN)
    04:39
    San Diego, CA (SAN)
    02h32m
    N14539 (A21N)
    1372 km
    Departed
    02:18
    37 minutes ago
    Estimated
    04:39
    In 2 hours
  • Past
  • 6 Feb
    UA540
    LANDED 22h 24m AGO
    02:05
    Denver, CO (DEN)
    04:31
    San Diego, CA (SAN)
    02h03m
    N14553 (A21N)
    1372 km
    Departed
    02:05
    1 day ago
    Arrived
    04:31
    22 hours ago
  • 5 Feb
    UA540
    LANDED 1d AGO
    02:13
    Denver, CO (DEN)
    04:23
    San Diego, CA (SAN)
    01h49m
    N14546 (A21N)
    1372 km
    Departed
    02:13
    2 days ago
    Arrived
    04:23
    2 days ago
  • 4 Feb
    UA540
    LANDED 2d AGO
    02:09
    Denver, CO (DEN)
    04:21
    San Diego, CA (SAN)
    01h46m
    N14520 (A21N)
    1372 km
    Departed
    02:09
    3 days ago
    Arrived
    04:21
    3 days ago
  • 3 Feb
    UA540
    LANDED 3d AGO
    02:09
    Denver, CO (DEN)
    04:11
    San Diego, CA (SAN)
    01h42m
    N24510 (A21N)
    1372 km
    Departed
    02:09
    4 days ago
    Arrived
    04:11
    4 days ago
  • 2 Feb
    UA540
    LANDED 4d AGO
    02:19
    Denver, CO (DEN)
    04:37
    San Diego, CA (SAN)
    01h57m
    N24526 (A21N)
    1372 km
    Departed
    02:19
    5 days ago
    Arrived
    04:37
    5 days ago
  • 1 Feb
    UA540
    LANDED 5d AGO
    02:13
    Denver, CO (DEN)
    04:34
    San Diego, CA (SAN)
    01h57m
    N14518 (A21N)
    1372 km
    Departed
    02:13
    6 days ago
    Arrived
    04:34
    6 days ago
DateOriginSTDATDDestinationSTAAircraftDelayStatusDurationReplay
Future
2026 Feb 9Denver, CO (DEN/KDEN)
19:10 MST
San Diego, CA (SAN/KSAN)
20:42 PST
A21N (N14524)
Estimated
02h32m
2026 Feb 8Denver, CO (DEN/KDEN)
19:10 MST
San Diego, CA (SAN/KSAN)
20:42 PST
A21N (N14548)
Estimated
02h32m
Current
2026 Feb 7Denver, CO (DEN/KDEN)
19:10 MST
19:18 MST
San Diego, CA (SAN/KSAN)
20:42 PST
A21N (N14539)
Est. Arrival 20:39 PST
02h32m
Past
2026 Feb 6Denver, CO (DEN/KDEN)
19:10 MST
19:05 MST
San Diego, CA (SAN/KSAN)
20:42 PST
A21N (N14553)
Landed 20:31 PST
Time aircraft arrives at gate derived from company/airport information
02h03m
2026 Feb 5Denver, CO (DEN/KDEN)
19:10 MST
19:13 MST
San Diego, CA (SAN/KSAN)
20:42 PST
A21N (N14546)
Landed 20:23 PST
Time aircraft arrives at gate derived from company/airport information
01h49m
2026 Feb 4Denver, CO (DEN/KDEN)
19:10 MST
19:09 MST
San Diego, CA (SAN/KSAN)
20:42 PST
A21N (N14520)
Landed 20:21 PST
Time aircraft arrives at gate derived from company/airport information
01h46m
2026 Feb 3Denver, CO (DEN/KDEN)
19:10 MST
19:09 MST
San Diego, CA (SAN/KSAN)
20:42 PST
A21N (N24510)
Landed 20:11 PST
Time aircraft arrives at gate derived from company/airport information
01h42m
2026 Feb 2Denver, CO (DEN/KDEN)
19:10 MST
19:19 MST
San Diego, CA (SAN/KSAN)
20:42 PST
A21N (N24526)
Landed 20:37 PST
Time aircraft arrives at gate derived from company/airport information
01h57m
2026 Feb 1Denver, CO (DEN/KDEN)
19:10 MST
19:13 MST
San Diego, CA (SAN/KSAN)
20:42 PST
A21N (N14518)
Landed 20:34 PST
Time aircraft arrives at gate derived from company/airport information
01h57m

Flight history for UA540 is available for a period over 7 days under our Basic subscription. More details here
More airport data is available for purchase. Please check our On Demand API.