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UA948

SFO → LHR · Boeing 787-9 · United Airlines

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Departure · San Francisco (SFO)

Terminal ITM · Gate G4
Scheduled 03 Oct 16:45 · Departed 03 Oct 16:55 · +10 min
Board status: Departed
Airborne since 03 Oct 17:28 (ADS-B)

Arrival · London (LHR)

Terminal 2
Scheduled 11:10
Board status: Expected 10:44
In the air, ~6h 7m to go (32% of the route flown)

Board data from heathrow, sfo, updated 37 min ago; times local to each airport.

Flight

Status
In progress
Departure
San Francisco International Airport (SFO) — San Francisco, United States
Scheduled departure
2026-10-03 23:45 UTC
Departed
2026-10-04 00:28 UTC
Arrival
London Heathrow Airport (LHR) — London, United Kingdom (scheduled)
Scheduled arrival
2026-10-04 10:10 UTC
Progress
32% · ~6h 7m remaining
Codeshares
AC3769, LH8573, LX3123, NZ9854, OS7912, SN9103
Distance flown
2781 km
Straight-line distance
8616 km

Aircraft

Registration
N38955
Type
Boeing 787-9
Seats
252 total (116 Economy, 88 Economy Plus, 48 Polaris)
CO2 (EMEP est., total)
384.3 t (1107 kg/pax Economy, 3284 kg/pax Business)

Altitude & speed

Max altitude
37,025 ft
Max ground speed
536 kt
Tracked
3h 6m · 2,781 km
Note
still in progress - the track so far
Altitude (ft, max 37,025)
019,99439,9870m30m1h 0m1h 30m2h 0m2h 30m3h 0m
Ground speed (kt, max 536)
02895790m30m1h 0m1h 30m2h 0m2h 30m3h 0m
Altitude (ft, max 37,025)
019,99439,9870m1h 0m2h 0m3h 0m
Ground speed (kt, max 536)
02895790m1h 0m2h 0m3h 0m

From the ADS-B positions we received; time since the first fix. A dashed stretch is a gap in reception, bridged by a straight line.

Route map

Airline

United Airlines (UAL)

Latest flights

DepartedFlightRouteRegAircraftStatusDistance
2026-10-04 00:28 UTC UAL948 SFO → LHR
San Francisco → London
 N38955 Boeing 787-9 In progress ~8616 km est.
2026-10-03 00:09 UTC UAL948 SFO → LHR
San Francisco → London
 N24990 Boeing 787-9 Incomplete (signal lost) ~8725 km est. (6779 km recorded)
2026-10-01 23:57 UTC UAL948 SFO → LHR
San Francisco → London
 N797UA Boeing 777-200ER Incomplete (signal lost) ~8767 km est. (2817 km recorded)
2026-10-01 00:39 UTC UAL948 SFO → LHR
San Francisco → London
 N785UA Boeing 777-200ER Incomplete (signal lost) ~8743 km est. (2772 km recorded)
2026-09-30 01:06 UTC UAL948 SFO → LHR
San Francisco → London
 N228UA Boeing 777-200ER Incomplete (signal lost) ~8743 km est. (2743 km recorded)
2026-09-29 00:37 UTC UAL948 SFO → LHR
San Francisco → London
 N793UA Boeing 777-200ER Incomplete (signal lost) ~8722 km est. (6963 km recorded)
2026-09-28 00:04 UTC UAL948 SFO → LHR
San Francisco → London
 N796UA Boeing 777-200ER Incomplete (signal lost) ~8789 km est. (2837 km recorded)
2026-09-27 00:15 UTC UAL948 SFO → LHR
San Francisco → London
 N37018 Boeing 777-200ER Incomplete (signal lost) ~8751 km est. (2724 km recorded)
2026-09-26 00:00 UTC UAL948 SFO → LHR
San Francisco → London
 N794UA Boeing 777-200ER Incomplete (signal lost) ~8793 km est. (2854 km recorded)
2026-09-25 00:41 UTC UAL948 SFO → LHR
San Francisco → London
 N785UA Boeing 777-200ER Incomplete (signal lost) ~8704 km est. (2466 km recorded)
2026-09-24 00:03 UTC UAL948 SFO → LHR
San Francisco → London
 N786UA Boeing 777-200ER Incomplete (signal lost) ~8746 km est. (2785 km recorded)
2026-09-23 00:35 UTC UAL948 SFO → LHR
San Francisco → London
 N77014 Boeing 777-200ER Incomplete (signal lost) ~8702 km est. (6805 km recorded)
2026-09-21 23:32 UTC UAL948 SFO → LHR
San Francisco → London
 N792UA Boeing 777-200ER Completed 8826 km
2026-09-21 00:03 UTC UAL948 SFO → LHR
San Francisco → London
 N783UA Boeing 777-200ER Completed 8795 km
2026-09-20 00:41 UTC UAL948 SFO → LHR
San Francisco → London
 N798UA Boeing 777-200ER Completed 8999 km
2026-09-18 23:27 UTC UAL948 SFO → LHR
San Francisco → London
 N217UA Boeing 777-200ER Completed 9036 km
2026-09-17 23:54 UTC UAL948 SFO → LHR
San Francisco → London
 N77012 Boeing 777-200ER Completed 9028 km
2026-09-16 23:38 UTC UAL948 SFO → LHR
San Francisco → London
 N204UA Boeing 777-200ER Completed 8984 km
2026-09-16 00:39 UTC UAL948 SFO → LHR
San Francisco → London
 N785UA Boeing 777-200ER Completed 8903 km
2026-09-15 00:09 UTC UAL948 SFO → LHR
San Francisco → London
 N227UA Boeing 777-200ER Completed 9124 km
2026-09-14 00:11 UTC UAL948 SFO → LHR
San Francisco → London
 N792UA Boeing 777-200ER Completed 8966 km
2026-09-13 00:20 UTC UAL948 SFO → LHR
San Francisco → London
 N77019 Boeing 777-200ER Completed 8942 km
2026-09-12 00:26 UTC UAL948 SFO → LHR
San Francisco → London
 N796UA Boeing 777-200ER Completed 9007 km
2026-09-11 00:26 UTC UAL948 SFO → LHR
San Francisco → London
 N227UA Boeing 777-200ER Completed 9027 km
2026-09-09 23:25 UTC UAL948 SFO → LHR
San Francisco → London
 N77012 Boeing 777-200ER Completed 9209 km
2026-09-09 07:24 UTC UAL948 SFO → LHR
San Francisco → London
 N218UA Boeing 777-200ER Completed 2025 km
2026-09-08 00:42 UTC UAL948 SFO → LHR
San Francisco → London
 N81110 Boeing 787-9 Completed 9267 km
2026-09-07 00:42 UTC UAL948 SFO → LHR
San Francisco → London
 N81107 Boeing 787-9 Completed 9054 km
2026-09-06 00:29 UTC UAL948 SFO → LHR
San Francisco → London
 N51104 Boeing 787-9 Completed 8898 km
2026-09-05 00:54 UTC UAL948 SFO → LHR
San Francisco → London
 N81105 Boeing 787-9 Completed 8973 km
2026-09-04 00:25 UTC UAL948 SFO → LHR
San Francisco → London
 N61106 Boeing 787-9 Completed 8982 km
2026-09-03 00:45 UTC UAL948 SFO → LHR
San Francisco → London
 N21102 Boeing 787-9 Completed 9038 km
2026-09-02 01:12 UTC UAL948 SFO → LHR
San Francisco → London
 N71108 Boeing 787-9 Completed 8959 km
2026-09-01 00:45 UTC UAL948 SFO → LHR
San Francisco → London
 N61101 Boeing 787-9 Completed 8975 km
2026-08-31 00:17 UTC UAL948 SFO → LHR
San Francisco → London
 N81110 Boeing 787-9 Completed 9149 km
2026-08-30 00:42 UTC UAL948 SFO → LHR
San Francisco → London
 N81107 Boeing 787-9 Completed 8818 km
2026-08-28 00:36 UTC UAL948 SFO → LHR
San Francisco → London
 N61106 Boeing 787-9 Completed 8902 km
2026-08-27 01:03 UTC UAL948 SFO → LHR
San Francisco → London
 N81105 Boeing 787-9 Completed 8858 km
2026-08-26 00:44 UTC UAL948 SFO → LHR
San Francisco → London
 N21102 Boeing 787-9 Completed 8825 km
2026-08-25 00:32 UTC UAL948 SFO → LHR
San Francisco → London
 N71108 Boeing 787-9 Completed 8810 km
2026-08-24 00:47 UTC UAL948 SFO → LHR
San Francisco → London
 N61101 Boeing 787-9 Completed 8963 km
2026-08-23 00:54 UTC UAL948 SFO → LHR
San Francisco → London
 N81110 Boeing 787-9 Completed 10878 km
2026-08-22 10:44 UTC UAL948 SFO → LHR
San Francisco → London
 N811WD BE95 Incomplete (signal lost) ~34 km est. (0 km recorded)
2026-08-21 00:22 UTC UAL948 SFO → LHR
San Francisco → London
 N21102 Boeing 787-9 Completed 9953 km
2026-08-20 00:26 UTC UAL948 SFO → LHR
San Francisco → London
 N61106 Boeing 787-9 Completed 10440 km
2026-08-19 00:24 UTC UAL948 SFO → LHR
San Francisco → London
 N71108 Boeing 787-9 Completed 13849 km
2026-08-18 00:45 UTC UAL948 SFO → LHR
San Francisco → London
 N61101 Boeing 787-9 Completed 10139 km
2026-08-16 23:44 UTC UAL948 SFO → LHR
San Francisco → London
 N51104 Boeing 787-9 Completed 10451 km

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