United Airlines UA939 Flight Status
According to Trip.com real-time data, the UA939 flight operated by United Airlines on Jul 2, 2026 is scheduled to fly from London (LHR) to San Francisco (SFO). The flight is expected to depart at 4:22 PM (local time in London, UTC+1) and land at 6:26 PM (local time in San Francisco, UTC-7) .
Wed, Jul 1
Thu, Jul 2
Fri, Jul 3
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Arrived
The flight has arrived 23m early
10h 55m
Check-in Counter
D
Boarding Gate
B32
Arrival Gate
G12
Baggage
4
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Scheduled
Your flight will depart on time.
10h 55m
Check-in Counter
D
Boarding Gate
B31
Arrival Gate
G2
Baggage
5
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Scheduled
Your flight will depart on time.
10h 55m
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.
UA939 Aircraft Details
According to Trip.com real-time data, the UA939 flight flying from London to San Francisco on 7/2/2026 is operated by the aircraft model Boeing 787-9. This aircraft has been in service for 4m. The aircraft is equipped with 252 seats.
Boeing 787-9
Punctuality (Departure)
33%
Punctuality (Arrival)
90%
Early on average
5 minutes
Age
4m
Seats
252
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
81 cm
More legroom than on 63% of flights
--
Seat width
100°
Reclining Angle
3-3-3
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 50% of flights
52 cm
Seat width better than on 50% 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
Legroom
44 cm
Seat width
110°
Reclining Angle
2-3-2
Seat layout example
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Flight History for UA939
Trip.com historical records show that the last UA939 flight departed on Wed, Jul 1 from LHR at approximately 4:41 PM. This flight is expected to arrrive in SFO at 6:47 PM.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Sun, Jun 28 | London (LHR) | San Francisco (SFO) | 789 | 4:45 PM | 6:34 PM | Arrived |
| Mon, Jun 29 | London (LHR) | San Francisco (SFO) | 789 | 4:54 PM | 6:42 PM | Arrived |
| Tue, Jun 30 | London (LHR) | San Francisco (SFO) | 789 | 5:00 PM | 6:56 PM | Arrived |
| Wed, Jul 1 | London (LHR) | San Francisco (SFO) | 789 | 4:41 PM | 6:47 PM | Arrived |
| Thu, Jul 2 | London (LHR) | San Francisco (SFO) | 789 | 4:22 PM | 6:26 PM | Scheduled |
| Fri, Jul 3 | London (LHR) | San Francisco (SFO) | 789 | 4:15 PM | 7:10 PM | Scheduled |
| Sat, Jul 4 | London (LHR) | San Francisco (SFO) | 789 | 4:15 PM | 7:10 PM | Scheduled |
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UA939 On-Time Performance
Based on the average performance of this flight over the past 30 trips, the on-time departure rate of UA939 is 33% (Late on average 45 minutes), and the on-time arrival rate is 90% (Early on average 5 minutes).
On-Time Departures
Punctuality
33%
Late on average 45 minutes
Early
0%
On time
33%
30 mins late
53%
60 mins late
3%
90 mins late
10%
Canceled
1%
On-Time Arrivals
Punctuality
90%
Early on average 5 minutes
Early
77%
On time
13%
30 mins late
7%
60 mins late
0%
90 mins late
3%
Canceled
1%
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