Apparatus

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flight_takeoff Flight

UAL900

Operated by United Airlines

Live map

Live map filtered to UAL900. Shown when the flight is currently airborne.

Route airports View route page →

Departure

LHR EGLL MVFR

London Heathrow Airport

London, GB

Local time
04:12 GMT+1
Timezone
Europe/London
Type
Large Airport
Elevation
83 ft
Coordinates
51.4707, -0.4599

cloud Weather

Wind
170° / 9 kt
Visibility
6 SM
Ceiling
OVC 1,100 ft
Temp / Dew
13°C / 10°C
Altimeter
30.00 inHg

Obs: 2026-04-15T02:50:00.000Z

Raw METAR / TAF 
METAR EGLL 150250Z AUTO 17009KT 9999 OVC011 13/10 Q1016 BECMG BKN009

TAF EGLL 142253Z 1500/1606 18010KT 9999 BKN014 TEMPO 1500/1510 6000 -RA SCT007 BKN009 PROB30 TEMPO 1501/1508 2500 RADZ BKN004 BECMG 1510/1513 SCT020 TEMPO 1510/1519 6000 RA SHRA PROB40 TEMPO 1513/1518 21016G26KT 3000 +SHRA BKN014 PROB30 TEMPO 1602/1606 BKN012

flight Live Traffic

flight_takeoff 24 Departures
flight_land 78 Arrivals

Arrival

SFO KSFO VFR

San Francisco International Airport

San Francisco, US

Local time
20:12 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
13 ft
Coordinates
37.6198, -122.3748

cloud Weather

Wind
290° / 15 kt
Visibility
10 SM
Ceiling
FEW 2,800 ft
Temp / Dew
12°C / 7°C
Altimeter
30.14 inHg

Obs: 2026-04-15T02:56:00.000Z

Raw METAR / TAF 
METAR KSFO 150256Z 29015KT 10SM FEW028 12/07 A3014 RMK AO2 SLP206 T01220067 58010 $

TAF KSFO 150307Z 1503/1606 28015KT P6SM SCT025 FM150800 27011KT P6SM SCT025 BKN150 FM151800 27018KT P6SM BKN150

flight Live Traffic

flight_takeoff 239 Departures
flight_land 255 Arrivals

Recent history last 6

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-04-14 A92D6D LHR → SFO Apr 14, 10:00 UTCApr 14, 20:31 UTC10h 31m +25m +9m
2026-04-13 AAA4DC LHR → SFO Apr 13, 19:50 UTCApr 13, 20:00 UTC10m - -
2026-04-13 AAA4DC LHR → SFO Apr 13, 17:25 UTCApr 13, 20:00 UTC2h 35m - -
2026-04-13 AAA4DC LHR → SFO Apr 13, 14:00 UTCApr 13, 14:35 UTC35m - -
2026-04-13 AAA4DC LHR → SFO Apr 13, 10:00 UTCApr 13, 20:13 UTC10h 13m +25m +9m
2026-04-12 AA92FA LHR → SFO Apr 12, 17:40 UTCApr 12, 20:05 UTC2h 25m - -

Performance history

Flights tracked
6
Avg arrival delay
+9m
On-time arrival
100% 100% on time
Aircraft used
3

Monthly activity 1 month

Month Flights tracked
April 2026 6

UAL900 frequently asked

Where does flight UAL900 fly?
UAL900 (United Airlines) flies from LHR to SFO. View the full route page.
How long is flight UAL900?
Based on observed flights, UAL900 takes on average 4h 25m from takeoff to landing.
How often does UAL900 fly?
UAL900 has been observed flying occasionally in our tracking data. We've recorded 6 flights under this callsign.
Is flight UAL900 usually on time?
Across recent flights, UAL900 arrives with an average 9-minute delay. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL900?
UAL900 has been operated by 3 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL900 live?
Yes. When UAL900 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.