LHR → SFOLondon to San Francisco

live

Direct flights from London (LHR) to San Francisco (SFO): 126 nonstop departures observed each week across 18 airlines. 38% of the last 24 operated flights arrived within 15 minutes of schedule. The median arrival is 43 minutes late. No cancellations were recorded across the 24 tracked flights. The nonstop covers 8,615 km, an estimated 11 hours 33 minutes in the air. Measured by Pro Flight Search from live flight boards at London and San Francisco. Updated 9 October 2026 at 01:54 UTC.

LHR London busy · +21
SFO San Francisco smooth · +0
8,615 km · ~11h 33m est.
dep bank 10:35–19:15126x weekly
Runs rough · 18 airlines · 126x weekly · nonstop
38% on time

of the last 24 operated LHR → SFO flights arrived within 15 minutes

Median arrival delay is +43 min. 0 of 24 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival+43 minacross the last 24 operated legs
Flight time~11h 33mestimated from route distance
Weekly departures126x18 direct airlines on the leg
Cancelled0.0%recent route rate · 0 of 24

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Aer LingusAir CanadaAir FranceAir New Zealand

Each mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.

Who flies it

observed on the boards · 7 days
Aer LingusEI

Flights EI8985 13:50 daily · EI8987 17:40 daily

Air CanadaAC

Flights AC5375 13:35 daily · AC5082 varies daily · AC3716 19:15 daily

Air FranceAF

Flights AF9649 15:55 daily

Air New ZealandNZ

Flights NZ9831 13:35 daily · NZ4161 15:55 daily · NZ9855 varies daily

Alaska AirlinesAS

Flights AS5279 13:50 daily · AS5277 17:40 daily

American AirlinesAA

Flights AA6996 13:50 daily · AA6998 17:40 daily

Austrian AirlinesOS

Flights OS7857 13:35 daily · OS7855 varies daily · OS7911 19:15 daily

British AirwaysBA

Flights BA285 10:45 daily · BA287 14:30 daily

Brussels AirlinesSN

Flights SN9099 13:35 daily · SN9101 varies daily · SN9106 19:15 daily

Delta Air LinesDL

Flights DL5965 15:55 daily

FinnairAY

Flights AY5525 13:50 daily · AY5527 17:40 daily

Iberia AirlinesIB

Flights IB3626 13:50 daily · IB3628 17:40 daily

KLMKL

Flights KL4814 15:55 daily

LufthansaLH

Flights LH9374 13:35 daily · LH9378 varies daily · LH8572 19:15 daily

SaudiaSV

Flights SV4808 15:55 daily

Swiss International Air LinesLX

Flights LX3042 13:35 daily · LX3048 16:05 daily · LX3122 19:15 daily

United AirlinesUA

Flights UA900 10:35 daily · UA949 13:00 daily · UA939 16:15 daily

Virgin AtlanticVS

Flights VS19 12:45 daily

History

operated legs · board outcomes
10-08AA6996arrived+51
10-08AA6998arrived+43
10-08AC5082arrived+8
10-08AC5375arrived+6
10-08AF9649arrived+93
10-08AS5277arrived+43
10-08AY5527arrived+43
10-08BA285departed+73
10-08BA287dep +66 → arr+43
10-08DL5965arrived+93
10-08EI8987arrived+43
10-08IB3628arrived+43
10-08KL4814arrived+93
10-08LH9378arrived+8
10-08LX3048arrived+8
10-08NZ4161arrived+93
10-08NZ9855arrived+8
10-08OS7855arrived+8
10-08SN9101arrived+8
10-08SV4808arrived+93
10-08UA900departed+30
10-08UA939dep +16 → arr−4
10-08UA949dep +22 → arr+8
10-08VS19dep +107 → arr+93

Actual board outcomes rather than schedules, paired departure and arrival per flight and day.

Full board history, day by day →

Airports right now

live boards
LHRLondon +21 min busy ⛅ overcast · WSW 14 kt Full LHR delay board →
SFOSan Francisco +0 min smooth 🌤 few clouds · WNW 17 kt Full SFO delay board →

Weather lens

Current conditions put the pressure at SFO: 47% odds of a 15+ minute delay and around +18 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →

How the London to San Francisco route actually runs

Pro Flight Search records official board updates for nonstop LHR to SFO flights through the day: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises.

Planning around a delay? Live airport delays · Weather delay risk map · Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search — London (LHR) to San Francisco (SFO) route reliability, measured from operated flights on official airport boards.

Canonical URL
https://proflightsearch.com/search-flights/LHR-SFO
How we measure this →

LHR to SFO questions

Is LHR–SFO running on time right now?

Smooth skies ahead. The departure side at LHR is the weaker end, route health score 85/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on LHR–SFO?

Operators schedule morning departures around 10:35 from LHR. Earlier flights typically land before destination-airport delays accumulate later in the day; check the SFO delay card to confirm conditions when you'd arrive.

How long is the flight from LHR to SFO?

Great-circle distance is 8,615 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 638–768 min gate-to-gate on this route.

How often does LHR–SFO fly?

18 carriers operate this route, around 266 flights a week between them. Compare carrier days and times in the airline list above.