Apparatus

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flight_takeoff Flight

UAL901

Operated by United Airlines

Live map

Live map filtered to UAL901. Shown when the flight is currently airborne.

Route airports View route page →

Departure

SFO KSFO VFR

San Francisco International Airport

San Francisco, US

Local time
03:51 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
13 ft
Coordinates
37.6198, -122.3748

cloud Weather

Wind
290° / 5 kt
Visibility
10 SM
Ceiling
CLR
Temp / Dew
12°C / 8°C
Altimeter
30.11 inHg

Obs: 2026-10-14T09:56:00.000Z

Raw METAR / TAF 
METAR KSFO 140956Z 29005KT 10SM CLR 12/08 A3011 RMK AO2 SLP196 T01220083

TAF KSFO 140908Z 1409/1512 28006KT P6SM SKC FM141100 VRB05KT P6SM SKC FM142300 29012KT P6SM SKC FM150300 VRB03KT P6SM FEW010

flight Live Traffic

flight_takeoff 110 Departures
flight_land 106 Arrivals

Arrival

LHR EGLL VFR

London Heathrow Airport

London, GB

Local time
11:51 GMT+1
Timezone
Europe/London
Type
Large Airport
Elevation
83 ft
Coordinates
51.4707, -0.4599

cloud Weather

Wind
220° / 9G19 kt
Visibility
6 SM
Ceiling
CLR
Temp / Dew
17°C / 11°C
Altimeter
30.38 inHg

Obs: 2026-10-14T10:20:00.000Z

Raw METAR / TAF 
METAR EGLL 141020Z AUTO 22009G19KT 170V240 9999 NCD 17/11 Q1029

TAF EGLL 140457Z 1406/1512 20004KT 9999 FEW035 PROB30 1406/1408 6000 BECMG 1411/1414 20014KT PROB30 1503/1506 8000 -RA BKN014 PROB40 TEMPO 1506/1512 6000 -RADZ BKN009

flight Live Traffic

flight_takeoff 94 Departures
flight_land 103 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-26 A7F4E9 SFO → LHR Jul 26, 20:30 UTCJul 26, 22:15 UTC1h 45m - -
2026-07-25 A1BFAC SFO → LHR Jul 25, 20:30 UTCJul 26, 06:00 UTC9h 30m - -
2026-07-24 A7F4E9 SFO → LHR Jul 24, 20:27 UTCJul 25, 06:01 UTC9h 34m +27m -14m
2026-07-24 A7F4E9 SFO → LHR Jul 24, 20:50 UTCJul 24, 22:15 UTC1h 25m - -
2026-07-23 AB0F8B SFO → LHR Jul 23, 20:27 UTCJul 24, 05:41 UTC9h 14m +27m -3m
2026-07-23 AB0F8B SFO → LHR Jul 23, 20:25 UTCJul 24, 05:45 UTC9h 20m - -
2026-07-22 A7F4E9 SFO → LHR Jul 22, 20:35 UTCJul 23, 06:00 UTC9h 25m - -
2026-07-21 A7F4EC - Jul 21, 20:30 UTCJul 22, 05:25 UTC8h 55m - -
2026-07-20 A6679B SFO → LHR Jul 20, 20:40 UTCJul 21, 06:15 UTC9h 35m - -
2026-07-19 A7F4E9 SFO → LHR Jul 19, 20:45 UTCJul 20, 06:15 UTC9h 30m - -
2026-07-18 AB0F89 SFO → LHR Jul 18, 20:25 UTCJul 19, 05:50 UTC9h 25m - -
2026-07-17 AB0F8B SFO → LHR Jul 17, 20:44 UTCJul 18, 06:15 UTC9h 31m - -
2026-07-16 A7F4EC SFO → LHR Jul 16, 20:55 UTCJul 17, 06:25 UTC9h 30m - -
2026-07-15 A6679B SFO → LHR Jul 15, 20:25 UTCJul 16, 05:55 UTC9h 30m - -
2026-07-14 A7F4E9 SFO → LHR Jul 14, 20:35 UTCJul 15, 06:20 UTC9h 44m - -
2026-07-13 A1BFAC SFO → LHR Jul 13, 20:27 UTCJul 14, 05:42 UTC9h 15m +27m +17m
2026-07-13 A1BFAC SFO → LHR Jul 13, 20:20 UTCJul 14, 05:40 UTC9h 20m - -
2026-07-12 A7F4EC SFO → LHR Jul 12, 20:30 UTCJul 13, 06:05 UTC9h 35m - -
2026-07-11 AB0F89 SFO → LHR Jul 11, 20:45 UTCJul 12, 06:20 UTC9h 35m - -
2026-07-11 AB0F89 SFO → LHR Jul 11, 20:27 UTCJul 12, 06:11 UTC9h 44m +27m -23m
2026-07-10 A1BFAC SFO → LHR Jul 10, 20:40 UTCJul 11, 06:25 UTC9h 45m - -
2026-07-09 A6679B SFO → LHR Jul 9, 20:20 UTCJul 10, 06:10 UTC9h 50m - -
2026-07-08 A7F4E9 SFO → LHR Jul 8, 20:27 UTCJul 9, 05:56 UTC9h 29m +27m +8m
2026-07-08 A7F4E9 SFO → LHR Jul 8, 20:20 UTCJul 9, 06:00 UTC9h 40m - -
2026-07-07 A1BFAC SFO → LHR Jul 7, 20:45 UTCJul 8, 06:20 UTC9h 35m - -
2026-07-07 A6671B SFO → LHR Jul 7, 05:40 UTCJul 7, 05:50 UTC10m - -
2026-07-06 A6679B SFO → LHR Jul 6, 20:27 UTCJul 7, 05:59 UTC9h 32m +27m +6m
2026-07-06 A6679B SFO → LHR Jul 6, 20:20 UTCJul 7, 06:05 UTC9h 45m - -
2026-07-05 A1BFAC SFO → LHR Jul 5, 20:35 UTCJul 6, 06:15 UTC9h 40m - -
2026-07-05 A7F4E9 SFO → LHR Jul 5, 04:00 UTCJul 5, 13:20 UTC9h 20m - -

Performance history

Flights tracked
153 showing last 30
Avg arrival delay
-1m
On-time arrival
83% 83% on time
Aircraft used
7

Monthly activity 4 months

Month Flights tracked
July 2026 33
June 2026 43
May 2026 40
April 2026 37

UAL901 frequently asked

Where does flight UAL901 fly?
UAL901 (United Airlines) flies from SFO to LHR. View the full route page.
How long is flight UAL901?
Based on observed flights, UAL901 takes on average 8h 40m from takeoff to landing.
How often does UAL901 fly?
UAL901 has been observed flying several times a week in our tracking data. We've recorded 153 flights under this callsign.
Is flight UAL901 usually on time?
Across recent flights, UAL901 arrives 1 minutes early on average. 83% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL901?
UAL901 has been operated by 7 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL901 live?
Yes. When UAL901 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.