Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL1904

Operated by United Airlines

Live map

Live map filtered to UAL1904. Shown when the flight is currently airborne.

Route airports View route page →

Departure

EWR KEWR MVFR

Newark Liberty International Airport

Newark, US

Local time
08:43 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
18 ft
Coordinates
40.6894, -74.1705

cloud Weather

Wind
360° / 13G19 kt
Visibility
10 SM
Ceiling
OVC 1,100 ft
Temp / Dew
14°C / 12°C
Altimeter
29.79 inHg

Obs: 2026-10-12T11:51:00.000Z

Raw METAR / TAF 
METAR KEWR 121151Z 36013G19KT 10SM OVC011 14/12 A2979 RMK AO2 SLP086 70177 T01390117 10139 20128 53019 $

TAF KEWR 121122Z 1212/1318 01010KT P6SM BKN010 FM121400 36009KT P6SM BKN025 FM121700 33008KT P6SM FEW025 SCT050 FM122100 31008KT P6SM FEW050 FM130300 VRB03KT P6SM FEW050 FEW150 FM131500 16009KT P6SM SCT035

flight Live Traffic

flight_takeoff 186 Departures
flight_land 167 Arrivals

Arrival

SFO KSFO VFR

San Francisco International Airport

San Francisco, US

Local time
05:43 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
13 ft
Coordinates
37.6198, -122.3748

cloud Weather

Wind
300° / 5 kt
Visibility
10 SM
Ceiling
FEW 2,000 ft, FEW 9,000 ft
Temp / Dew
11°C / 7°C
Altimeter
29.84 inHg

Obs: 2026-10-12T11:56:00.000Z

Raw METAR / TAF 
METAR KSFO 121156Z 30005KT 10SM FEW020 FEW090 11/07 A2984 RMK AO2 SLP103 T01110067 10139 20106 53013 $

TAF KSFO 121120Z 1212/1318 26004KT P6SM FEW020 FEW090 FM122200 28012KT P6SM SKC FM130300 28006KT P6SM SKC

flight Live Traffic

flight_takeoff 115 Departures
flight_land 177 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-26 A44917 EWR → SFO Jul 26, 00:15 UTCJul 26, 04:45 UTC4h 30m - -
2026-07-24 A449A4 EWR → SFO Jul 24, 23:50 UTCJul 25, 04:10 UTC4h 20m - -
2026-07-24 A449CB EWR → SFO Jul 24, 00:10 UTCJul 24, 04:25 UTC4h 15m - -
2026-07-23 A44960 EWR → SFO Jul 23, 02:55 UTCJul 23, 07:25 UTC4h 30m - -
2026-07-21 A445A9 EWR → SFO Jul 21, 00:05 UTCJul 21, 04:19 UTC4h 14m +28m -10m
2026-07-20 A445A9 EWR → SFO Jul 20, 23:55 UTCJul 21, 04:05 UTC4h 10m - -
2026-07-20 AD953C EWR → SFO Jul 20, 01:15 UTCJul 20, 05:25 UTC4h 10m - -
2026-07-20 AD953C EWR → SFO Jul 20, 01:05 UTCJul 20, 01:10 UTC5m - -
2026-07-19 A12AC0 EWR → SFO Jul 19, 05:00 UTCJul 19, 09:40 UTC4h 40m - -
2026-07-18 A5D643 EWR → SFO Jul 18, 00:25 UTCJul 18, 04:35 UTC4h 11m - -
2026-07-17 A12F6D EWR → SFO Jul 17, 00:35 UTCJul 17, 04:54 UTC4h 20m - -
2026-07-16 A4495C - Jul 16, 00:25 UTCJul 16, 04:55 UTC4h 30m - -
2026-07-15 A12A80 - Jul 15, 00:00 UTCJul 15, 04:05 UTC4h 5m - -
2026-07-13 A12A9D - Jul 13, 23:55 UTCJul 14, 04:05 UTC4h 10m - -
2026-07-13 A12A9D EWR → POS Jul 13, 00:13 UTCJul 13, 04:34 UTC4h 21m +36m -11m
2026-07-13 A12A9D - Jul 13, 00:10 UTCJul 13, 04:20 UTC4h 10m - -
2026-07-12 A4495D - Jul 12, 00:20 UTCJul 12, 04:40 UTC4h 20m - -
2026-07-11 AA7E9B EWR → POS Jul 11, 00:05 UTCJul 11, 05:05 UTC5h 0m +28m -13m
2026-07-11 AA7E9B - Jul 11, 00:25 UTCJul 11, 04:45 UTC4h 20m - -
2026-07-10 A44962 EWR → POS Jul 10, 01:53 UTCJul 10, 06:16 UTC4h 23m +136m -8m
2026-07-10 A44962 - Jul 10, 01:45 UTCJul 10, 06:00 UTC4h 15m - -
2026-07-09 A44540 - Jul 9, 00:20 UTCJul 9, 01:00 UTC40m - -
2026-07-09 A44540 EWR → POS Jul 9, 00:05 UTCJul 9, 04:45 UTC4h 40m +28m -25m
2026-07-08 A12AC1 - Jul 8, 00:00 UTCJul 8, 04:20 UTC4h 20m - -
2026-07-07 A12F6F - Jul 7, 01:55 UTCJul 7, 06:30 UTC4h 35m - -
2026-07-06 A2BBAC - Jul 6, 00:20 UTCJul 6, 04:35 UTC4h 15m - -
2026-07-04 A449A2 - Jul 4, 23:55 UTCJul 5, 04:15 UTC4h 20m - -
2026-07-04 A12F2A - Jul 4, 02:15 UTCJul 4, 06:55 UTC4h 40m - -
2026-07-03 A12AA4 - Jul 3, 00:20 UTCJul 3, 04:30 UTC4h 10m - -
2026-07-02 A44940 - Jul 2, 01:25 UTCJul 2, 12:00 UTC10h 35m - -

Performance history

Flights tracked
130 showing last 30
Avg arrival delay
-13m
On-time arrival
100% 100% on time
Aircraft used
23

Monthly activity 4 months

Month Flights tracked
July 2026 31
June 2026 38
May 2026 36
April 2026 25

UAL1904 frequently asked

Where does flight UAL1904 fly?
UAL1904 (United Airlines) flies from EWR to SFO. View the full route page.
How long is flight UAL1904?
Based on observed flights, UAL1904 takes on average 4h 18m from takeoff to landing.
How often does UAL1904 fly?
UAL1904 has been observed flying several times a week in our tracking data. We've recorded 130 flights under this callsign.
Is flight UAL1904 usually on time?
Across recent flights, UAL1904 arrives 13 minutes early on average. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL1904?
UAL1904 has been operated by 23 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL1904 live?
Yes. When UAL1904 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.