Apparatus

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flight_takeoff Flight

UAL900

Operated by UAL

Live map

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

Upcoming flights 1 scheduled

From To Scheduled departure Estimated arrival Status
LHR SFO May 31, 10:00 AM UTC May 31, 08:26 PM UTC PLANNED

Route airports View route page →

Departure

LHR EGLL VFR

London Heathrow Airport

London, GB

Local time
11:53 GMT+1
Timezone
Europe/London
Type
Large Airport
Elevation
83 ft
Coordinates
51.4707, -0.4599

cloud Weather

Wind
VRB / 2 kt
Visibility
6 SM
Ceiling
CLR
Temp / Dew
25°C / 10°C
Altimeter
30.09 inHg

Obs: 2026-05-30T10:20:00.000Z

Raw METAR / TAF 
METAR EGLL 301020Z AUTO VRB02KT 9999 NCD 25/10 Q1019

TAF EGLL 300456Z 3006/3112 VRB04KT CAVOK BECMG 3014/3017 28010KT BECMG 3104/3107 BKN030 PROB30 TEMPO 3105/3108 BKN014

flight Live Traffic

flight_takeoff 109 Departures
flight_land 108 Arrivals

Arrival

SFO KSFO MVFR

San Francisco International Airport

San Francisco, US

Local time
03:53 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
13 ft
Coordinates
37.6198, -122.3748

cloud Weather

Wind
240° / 5 kt
Visibility
10 SM
Ceiling
OVC 1,200 ft
Temp / Dew
13°C / 10°C
Altimeter
30.09 inHg

Obs: 2026-05-30T09:56:00.000Z

Raw METAR / TAF 
METAR KSFO 300956Z 24005KT 10SM OVC012 13/10 A3009 RMK AO2 SLP190 T01280100

TAF KSFO 300900Z 3009/3112 27008KT P6SM OVC012 FM301800 28012KT P6SM SKC FM302300 27022KT P6SM SKC FM310600 28012KT P6SM SKC

flight Live Traffic

flight_takeoff 141 Departures
flight_land 126 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-05-29 A7F4E9 LHR → SFO May 29, 10:00 UTCMay 29, 20:21 UTC10h 21m +25m -5m
2026-05-29 A7F4E9 LHR → SFO May 29, 10:00 UTCMay 29, 20:24 UTC10h 24m +25m -2m
2026-05-28 A1BFAC LHR → SFO May 28, 10:15 UTCMay 28, 20:20 UTC10h 5m - -
2026-05-27 AB0F89 LHR → SFO May 27, 10:50 UTCMay 27, 12:05 UTC1h 15m - -
2026-05-27 AB0F89 LHR → SFO May 27, 10:00 UTCMay 27, 21:05 UTC11h 5m +25m +8m
2026-05-26 A6679B LHR → SFO May 26, 10:05 UTCMay 26, 20:24 UTC10h 20m - -
2026-05-25 A7F4E7 LHR → SFO May 25, 10:10 UTCMay 25, 20:45 UTC10h 34m - -
2026-05-24 A1BFAC LHR → SFO May 24, 10:05 UTCMay 24, 20:25 UTC10h 20m - -
2026-05-23 A7F4E9 LHR → SFO May 23, 09:50 UTCMay 23, 20:10 UTC10h 21m - -
2026-05-22 A7F4E7 LHR → SFO May 22, 10:00 UTCMay 22, 19:55 UTC9h 55m - -
2026-05-21 A6679B LHR → SFO May 21, 09:55 UTCMay 21, 12:10 UTC2h 15m - -
2026-05-21 A6679B LHR → SFO May 21, 10:00 UTCMay 21, 19:45 UTC9h 45m +25m +2m
2026-05-20 A7F4E7 LHR → SFO May 20, 10:35 UTCMay 20, 20:25 UTC9h 50m - -
2026-05-19 A1BFAC LHR → SFO May 19, 10:00 UTCMay 19, 10:55 UTC55m - -
2026-05-19 A1BFAC LHR → SFO May 19, 10:00 UTCMay 19, 19:55 UTC9h 55m +25m +5m
2026-05-18 A7F4E9 LHR → SFO May 18, 10:05 UTCMay 18, 20:15 UTC10h 9m - -
2026-05-17 A2E014 LHR → SFO May 17, 09:50 UTCMay 17, 19:40 UTC9h 50m - -
2026-05-16 A1AA10 LHR → SFO May 16, 09:51 UTCMay 16, 12:01 UTC2h 10m - -
2026-05-16 A1AA10 LHR → SFO May 16, 10:00 UTCMay 16, 19:46 UTC9h 46m +25m -6m
2026-05-16 A1AA10 LHR → SFO May 16, 10:00 UTCMay 16, 19:32 UTC9h 32m +25m -20m
2026-05-15 A290F3 LHR → SFO May 15, 10:50 UTCMay 15, 11:55 UTC1h 5m - -
2026-05-15 A290F3 LHR → SFO May 15, 10:50 UTCMay 15, 20:53 UTC10h 3m +75m -13m
2026-05-14 A7F4E9 LHR → SFO May 14, 09:55 UTCMay 14, 20:20 UTC10h 25m - -
2026-05-13 A254D6 LHR → SFO May 13, 10:25 UTCMay 13, 20:55 UTC10h 30m - -
2026-05-12 A2CB33 LHR → SFO May 12, 09:55 UTCMay 12, 20:25 UTC10h 30m - -
2026-05-11 A7F4E9 LHR → SFO May 11, 10:00 UTCMay 11, 20:25 UTC10h 25m - -
2026-05-10 A1BFAC LHR → SFO May 10, 10:05 UTCMay 10, 20:14 UTC10h 10m - -
2026-05-09 A6679B LHR → SFO May 9, 10:05 UTCMay 9, 20:15 UTC10h 10m - -
2026-05-08 A1BFAC LHR → SFO May 8, 10:09 UTCMay 8, 20:35 UTC10h 25m - -
2026-05-08 A1BFAC LHR → SFO May 8, 10:00 UTCMay 8, 20:33 UTC10h 33m +25m -1m

Performance history

Flights tracked
90 showing last 30
Avg arrival delay
-4m
On-time arrival
100% 100% on time
Aircraft used
10

Monthly activity 2 months

Month Flights tracked
May 2026 40
April 2026 50

UAL900 frequently asked

Where does flight UAL900 fly?
UAL900 (UAL) flies from LHR to SFO. View the full route page.
How long is flight UAL900?
Based on observed flights, UAL900 takes on average 8h 46m from takeoff to landing.
How often does UAL900 fly?
UAL900 has been observed flying several times a week in our tracking data. We've recorded 90 flights under this callsign.
Is flight UAL900 usually on time?
Across recent flights, UAL900 arrives 4 minutes early on average. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL900?
UAL900 has been operated by 10 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.