Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL3904

Operated by UAL

Live map

Live map filtered to UAL3904. Shown when the flight is currently airborne.

Route airports View route page →

Departure

LAX KLAX VFR

Los Angeles International Airport

Los Angeles, US

Local time
14:07 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
125 ft
Coordinates
33.9425, -118.4080

cloud Weather

Wind
270° / 10 kt
Visibility
10 SM
Ceiling
FEW 1,000 ft, SCT 3,100 ft, BKN 4,400 ft
Temp / Dew
18°C / 11°C
Altimeter
29.89 inHg

Obs: 2026-10-12T20:53:00.000Z

Raw METAR / TAF 
METAR KLAX 122053Z 27010KT 10SM FEW010 SCT031 BKN044 18/11 A2989 RMK AO2 SLP121 T01830106 58006 $

TAF KLAX 121745Z 1218/1324 VRB03KT P6SM SCT035 FM122100 26012KT P6SM SCT050 FM130600 23005KT P6SM SKC FM130800 VRB03KT P6SM SKC FM132100 25008KT P6SM SCT250

warning FAA Advisories

  • Closed: !LAX 05/277 LAX AD AP CLSD TO NON SKED TRANSIENT GA ACFT EXC 24HR PPR CTC ATLANTIC AVIATION 310-258-9884 OR SIGNATURE AVIATION 310-410-9605 2605271826-2705281600 (May 27 at 18:26 UTC. – May 28 at 16:00 UTC.)

flight Live Traffic

flight_takeoff 315 Departures
flight_land 302 Arrivals

Arrival

DEN KDEN VFR

Denver International Airport

Denver, US

Local time
15:07 MDT
Timezone
America/Denver
Type
Large Airport
Elevation
5,431 ft
Coordinates
39.8600, -104.6738

cloud Weather

Wind
160° / 12G19 kt
Visibility
10 SM
Ceiling
FEW 10,000 ft
Temp / Dew
27°C / -3°C
Altimeter
29.81 inHg

Obs: 2026-10-12T20:53:00.000Z

Raw METAR / TAF 
METAR KDEN 122053Z 16012G19KT 10SM FEW100 27/M03 A2981 RMK AO2 SLP011 T02671028 58022

TAF KDEN 122055Z 1221/1324 20014G22KT P6SM FEW090 FEW130 TEMPO 1221/1222 14012G22KT FM130100 22012G20KT P6SM FEW120 FM130500 30010KT P6SM FEW020 SCT040 FM131000 34008KT P6SM BKN015 BKN030 FM131400 05007KT P6SM BKN010 BKN030 FM131700 07007KT P6SM SCT020 BKN040 FM132000 07010KT P6SM SCT090 SCT120

warning FAA Advisories

  • Ground Delay: runway construction (avg 56 minutes)

flight Live Traffic

flight_takeoff 429 Departures
flight_land 440 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-25 A12B2E BER → IAD Jul 25, 10:15 UTCJul 25, 13:00 UTC2h 45m - -
2026-07-23 A92DFC BER → IAD Jul 23, 12:25 UTCJul 23, 20:30 UTC8h 5m - -
2026-07-18 A239E0 - Jul 18, 20:45 UTCJul 18, 21:35 UTC50m - -
2026-07-16 A14AD1 LGA → CLE Jul 16, 10:29 UTCJul 16, 11:34 UTC1h 5m - -
2026-07-12 A75966 - Jul 12, 14:45 UTCJul 12, 19:25 UTC4h 40m - -
2026-07-04 A0BF90 - Jul 4, 02:00 UTCJul 4, 04:05 UTC2h 5m - -
2026-07-02 AA1368 ORD → EWR Jul 2, 05:05 UTCJul 2, 06:41 UTC1h 36m - -
2026-07-02 AA1368 ORD → EWR Jul 2, 05:13 UTCJul 2, 06:37 UTC1h 24m +43m -3m
2026-06-30 A923CD BER → IAD Jun 30, 12:50 UTCJun 30, 14:25 UTC1h 35m - -
2026-06-30 A923CD BER → IAD Jun 30, 12:13 UTCJun 30, 14:25 UTC2h 12m +13m -45m
2026-06-24 A46D29 BER → IAD Jun 24, 14:45 UTCJun 24, 16:24 UTC1h 40m - -
2026-06-19 A76F6C BER → IAD Jun 19, 23:34 UTCJun 20, 04:14 UTC4h 40m - -
2026-06-16 A8E24D BER → IAD Jun 16, 10:35 UTCJun 16, 12:45 UTC2h 10m - -
2026-06-16 A8E24D BER → IAD Jun 16, 10:34 UTCJun 16, 12:22 UTC1h 48m +34m +12m
2026-06-15 A44212 BER → IAD Jun 15, 11:34 UTCJun 15, 12:15 UTC40m - -
2026-06-11 A5CE02 BER → IAD Jun 11, 23:50 UTCJun 12, 00:20 UTC30m - -
2026-06-10 A56A18 BER → IAD Jun 10, 23:05 UTCJun 11, 00:00 UTC55m - -
2026-06-06 A5F938 BER → IAD Jun 6, 19:44 UTCJun 6, 23:44 UTC4h 0m - -
2026-06-04 A9F502 BER → IAD Jun 4, 05:30 UTCJun 4, 10:15 UTC4h 45m - -
2026-06-02 A8DEDA BER → IAD Jun 2, 01:59 UTCJun 2, 02:33 UTC34m +224m +7m
2026-06-02 A8DEDA BER → IAD Jun 2, 01:50 UTCJun 2, 02:35 UTC45m - -
2026-05-25 A46D4A BER → IAD May 25, 15:30 UTCMay 25, 17:25 UTC1h 55m - -
2026-05-25 A46D4A BER → IAD May 25, 15:24 UTCMay 25, 17:23 UTC1h 59m +24m +3m
2026-05-21 A3A0CA BER → IAD May 21, 20:30 UTCMay 21, 22:25 UTC1h 55m - -
2026-05-21 A3A0CA BER → IAD May 21, 20:11 UTCMay 21, 22:23 UTC2h 12m +251m -8m
2026-05-17 A44916 BER → IAD May 17, 00:15 UTCMay 17, 04:30 UTC4h 15m - -
2026-05-08 AC55F3 BER → IAD May 8, 13:56 UTCMay 8, 15:00 UTC1h 4m +176m -6m
2026-05-08 AC55F3 BER → IAD May 8, 14:05 UTCMay 8, 15:15 UTC1h 10m - -
2026-05-05 A07DC8 BER → IAD May 5, 17:37 UTCMay 5, 19:07 UTC1h 30m +22m -4m
2026-05-05 A07DC8 BER → IAD May 5, 17:35 UTCMay 5, 19:30 UTC1h 55m - -

Performance history

Flights tracked
41 showing last 30
Avg arrival delay
-5m
On-time arrival
100% 100% on time
Aircraft used
22

Monthly activity 4 months

Month Flights tracked
July 2026 8
June 2026 13
May 2026 11
April 2026 9

UAL3904 frequently asked

Where does flight UAL3904 fly?
UAL3904 (UAL) flies from LAX to DEN. View the full route page.
How long is flight UAL3904?
Based on observed flights, UAL3904 takes on average 2h 13m from takeoff to landing.
How often does UAL3904 fly?
UAL3904 has been observed flying several times a week in our tracking data. We've recorded 41 flights under this callsign.
Is flight UAL3904 usually on time?
Across recent flights, UAL3904 arrives 5 minutes early on average. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL3904?
UAL3904 has been operated by 22 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL3904 live?
Yes. When UAL3904 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.