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Explore LHR Guide
United Airlines
UA900
On Time
25 Feb 2026
LHR
London
London Heathrow Airport
Terminal 2 · Gate B31
Scheduled
10:05
SFO
San Francisco
San Francisco International Airport
Terminal INTL · Gate G9
Scheduled
13:20
Your Journey Timeline
Based on United Airlines check-in policy
Online check-in opens
Bag drop deadline
Boarding
Gate closes
Departure
Arrival
Weather Conditions
LHR — London
Departure
10°C
- Wind
- N 3kt
- Visibility
- 6+ sm
SFO — San Francisco
Arrival
16°C
-RA
- Wind
- SE 4kt
- Visibility
- 7 sm
- Clouds
- FEW 800ft, BKN 2,100ft, OVC 3,500ft
Live Flight Tracker
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Before Your Flight
Services at London Heathrow Airport
Airport Lounges
Skip the crowds. Pre-book lounge access from the main providers.
Explore LHR GuideNearby Hotels
Hotels near the airport for early departures or overnight layovers.
Explore LHR GuideFood & Drink
Restaurants and cafes in the terminal to enjoy before boarding.
Explore LHR GuideAfter You Land
Getting started in San Francisco
Airport Transfers
Pre-book private transfers, shared shuttles, or express trains from the airport.
San Francisco Arrival GuideCar Hire
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San Francisco Arrival GuideHotels
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San Francisco Arrival GuideActivities & Tours
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San Francisco Arrival GuideFlight Information
Aircraft & Airline
- Airline
- United Airlines Star Alliance
Route Details
- Flight Number
- UA900
- Duration
- 11h 15m
- Distance
- 8,616 km (4,652 nm)
- From
- London Heathrow Airport (LHR)
- To
- San Francisco International Airport (SFO)
- Departure Terminal
- 2
- Arrival Terminal
- INTL