YAFT.LIVE

UAL948

SFO → LHR · Boeing 777-200ER · United Airlines

Flight

Status
Completed
Arrival confirmed via
ADS-B (ground reading)
Departure
San Francisco International Airport (SFO) — San Francisco, United States
Departed
2026-10-02 08:10 UTC (first seen)
Arrival
London Heathrow Airport (LHR) — London, United Kingdom
Distance flown
1174 km
Straight-line distance
8616 km
Approach distance
106 km

Aircraft

Registration
N797UA
Type
Boeing 777-200ER
Seats
276 total (156 Economy, 46 Economy Plus, 24 Premium Plus, 50 United Polaris Business)

Altitude & speed

Max altitude
37,000 ft
Max ground speed
498 kt
Tracked
1h 43m · 1,171 km
Altitude (ft, max 37,000)
019,98039,9600m30m1h 0m1h 30m
Ground speed (kt, max 498)
02695380m30m1h 0m1h 30m
Altitude (ft, max 37,000)
019,98039,9600m1h 0m
Ground speed (kt, max 498)
02695380m1h 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
2026-10-02 08:10 UTC UAL948 SFO → LHR
San Francisco → London
 N797UA Boeing 777-200ER Completed 1174 km
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 07:47 UTC UAL948 SFO → LHR
San Francisco → London
 — — Incomplete (signal lost) ~83 km est. (47 km recorded)
2026-10-01 09:00 UTC UAL948 SFO → NCE
San Francisco → Nice
 N785UA Boeing 777-200ER Completed (landing confirmed by airport data) ~2080 km est. (996 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 09:36 UTC UAL948 SFO → LHR
San Francisco → London
 N228UA Boeing 777-200ER Completed 951 km
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 08:58 UTC UAL948 SFO → LHR
San Francisco → London
 N793UA Boeing 777-200ER Completed 1395 km
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 08:21 UTC UAL948 SFO → LHR
San Francisco → London
 N796UA Boeing 777-200ER Completed 1039 km
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 08:23 UTC UAL948 SFO → LHR
San Francisco → London
 N37018 Boeing 777-200ER Completed 1033 km
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 08:38 UTC UAL948 SFO → LHR
San Francisco → London
 N794UA Boeing 777-200ER Completed 1046 km
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 08:48 UTC UAL948 SFO → LHR
San Francisco → London
 N785UA Boeing 777-200ER Completed 1068 km
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 08:39 UTC UAL948 SFO → LHR
San Francisco → London
 N786UA Boeing 777-200ER Completed 1080 km
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 08:34 UTC UAL948 SFO → LHR
San Francisco → London
 N77014 Boeing 777-200ER Completed 1213 km
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 09:49 UTC UAL948 SFO → ?
San Francisco → ?
 — — Incomplete (signal lost) 38 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
2026-09-10 09:54 UTC UAL948 SFO → ?
San Francisco → ?
 — — Incomplete (signal lost) 116 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
2026-08-29 01:17 UTC UAL948 SFO → HYC
San Francisco → High Wycombe
 N61103 Boeing 787-9 Completed 9076 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

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