United Airlines UA900 Flight Status
According to Trip.com real-time data, the UA900 flight operated by United Airlines on Mar 12, 2026, flying from London (LHR) to San Francisco (SFO), departed at 10:20 AM and is expected to arrive at 1:46 PM (local time in San Francisco, UTC-7) and land at San Francisco Intl. Airport (SFO).
Wed, Mar 11
Thu, Mar 12
Fri, Mar 13
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Arrived
The flight has arrived 45m early
11h 15m
Check-in Counter
D
Boarding Gate
B31
Arrival Gate
G8
Baggage
4
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En route
Your flight has departed London and is expected to arrive in San Francisco at 1:46 PM.
11h 15m
Check-in Counter
D
Boarding Gate
B46
Arrival Gate
G2
Baggage
2
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Scheduled
Your flight will depart on time.
11h 15m
Check-in Counter
D
Boarding Gate
--
Arrival Gate
--
Baggage
--
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Information provided by VariFlightVariFlight. For real-time updates, please check airport displays or contact your airline. If this is not your flight, you can browse more options for flights from London to San Francisco to find your schedule.
Track the Previous Flight Status: Scheduled
UA901
|
San Francisco (SFO) 
London (LON)
London (LON)Scheduled: 7:25 AM
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UA900 Aircraft Details
According to Trip.com real-time data, the UA900 flight flying from London to San Francisco on 3/12/2026 is operated by the aircraft model Boeing 777-200. This aircraft has been in service for 18y, 11m. The aircraft is equipped with 267 seats.
Boeing 777-200
Punctuality (Departure)
80%
Punctuality (Arrival)
100%
Early on average
16 minutes
Age
18y, 11m
Seats
267
Flight Distance
--
Economy
Business
Premium Economy
In-Flight Services
Meal included
Seatback entertainment system
Wi-Fi (additional charge)
USB port and power outlet
Seat Information
79 cm
Legroom
--
Seat width
120°
Reclining Angle
3-4-3
Seat layout example
In-Flight Services
Meal included
Seatback entertainment system
Wi-Fi (additional charge)
USB port and power outlet
Seat Information
198 cm
More legroom than on 67% of flights
56 cm
Seat width better than on 67% of flights
180°
Reclining Angle Fully reclinable
1-2-1
Seat layout example
In-Flight Services
Meal included
Seatback entertainment system
Wi-Fi (additional charge)
USB port and power outlet
Seat Information
89 cm
More legroom than on 31% of flights
43 cm
Seat width
135°
Reclining Angle
2-4-2
Seat layout example
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Flight History for UA900
Trip.com historical records show that the last UA900 flight departed on Wed, Mar 11 from LHR at approximately 10:03 AM. This flight is expected to arrrive in SFO at 1:35 PM.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Sun, Mar 8 | London (LHR) | San Francisco (SFO) | 772 | 10:40 AM | 2:03 PM | Arrived |
| Mon, Mar 9 | London (LHR) | San Francisco (SFO) | 772 | 10:25 AM | 1:55 PM | Arrived |
| Tue, Mar 10 | London (LHR) | San Francisco (SFO) | 772 | 10:27 AM | 1:54 PM | Arrived |
| Wed, Mar 11 | London (LHR) | San Francisco (SFO) | 772 | 10:03 AM | 1:35 PM | Arrived |
| Thu, Mar 12 | London (LHR) | San Francisco (SFO) | 772 | 10:20 AM | 1:46 PM | En route |
| Fri, Mar 13 | London (LHR) | San Francisco (SFO) | 772 | 10:05 AM | 2:20 PM | Scheduled |
| Sat, Mar 14 | London (LHR) | San Francisco (SFO) | 772 | 10:05 AM | 2:20 PM | Scheduled |
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UA900 On-Time Performance
Based on the average performance of this flight over the past 30 trips, the on-time departure rate of UA900 is 80% (Late on average 21 minutes), and the on-time arrival rate is 100% (Early on average 16 minutes).
On-Time Departures
Punctuality
80%
Late on average 21 minutes
Early
0%
On time
80%
30 mins late
17%
60 mins late
3%
90 mins late
0%
Canceled
0%
On-Time Arrivals
Punctuality
100%
Early on average 16 minutes
Early
83%
On time
17%
30 mins late
0%
60 mins late
0%
90 mins late
0%
Canceled
0%
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Cheap return flights to London
- Tue, Apr 14San Francisco (SFO)London (LON)
LevelOne way21% offTRY 13,192TRY 10,429 - Sun, Mar 15San Francisco (SFO)London (LON) United AirlinesOne way18% offTRY 13,192TRY 10,860
- Mon, Apr 20San Francisco (SFO)London (LON)
Flair AirlinesOne way9% offTRY 13,192TRY 11,994 - Wed, Apr 22San Francisco (SFO)London (LON)
Virgin AtlanticOne way8% offTRY 13,192TRY 12,200 - Tue, May 5San Francisco (SFO)London (LON) LevelOne way7% offTRY 13,192TRY 12,213
- Mon, Mar 30San Francisco (SFO)London (LON)
Frontier AirlinesOne way6% offTRY 13,192TRY 12,400
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Arrival Info: San Francisco Weather & Current Time
Clear
|
10°C - 23°C
Weather forecast for your arrival day
-7 hour time difference
Time on arrival: London 21:20| San Francisco 14:20
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