United Airlines UA939 Flight status
According to Trip.com’s latest record on status for United Airlines flight UA939 from London to San Francisco (LHR-SFO): Flight UA939 has safely landed at San Francisco International Airport (SFO) 19:19 (local time), about 4m late.
Sat, Oct 24
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Arrived
The flight has arrived 4m late
11h
Check-in Counter
D
Boarding Gate
B49
Arrival Gate
G6
Baggage
5
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UA939 Aircraft Details
Plane model info unavailable
Punctuality (Departure)
63
%
Punctuality (Arrival)
100
%
Early on average
10 minutes
Age
--
Seats
--
Flight Distance
--
Economy
In-Flight Services
Unknown
Unknown
Unknown
Unknown
Seat Information
--
Legroom
--
Seat width
--
Reclining Angle
--
Seat layout example
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Flight History for UA939
Check more records from Trip.com about UA939 before and after today
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Sun, Oct 18 | London (LHR) | San Francisco (SFO) | 789 | 17:01 | 19:36 | Arrived |
| Mon, Oct 19 | London (LHR) | San Francisco (SFO) | 789 | 16:43 | 19:10 | Arrived |
| Tue, Oct 20 | London (LHR) | San Francisco (SFO) | 789 | 16:40 | 18:26 | Arrived |
| Wed, Oct 21 | London (LHR) | San Francisco (SFO) | 789 | 16:45 | 18:49 | Arrived |
| Thu, Oct 22 | London (LHR) | San Francisco (SFO) | 789 | 16:40 | 19:06 | Arrived |
| Fri, Oct 23 | London (LHR) | San Francisco (SFO) | 789 | 16:14 | 19:21 | Arrived |
| Sat, Oct 24 | London (LHR) | San Francisco (SFO) | 789 | 15:56 | 19:19 | Arrived |
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UA939 On-Time Performance
Based on the average performance of this flight over the last 30 trips, the on-time departure rate of UA939 is 63% (Late on average 26 minutes), and the on-time arrival rate is 100% (Early on average 10 minutes).
On-Time Departures
Punctuality
63
%
Late on average
26 minutes
Early
7
%
On time
57
%
30 mins late
30
%
60 mins late
7
%
90 mins late
0
%
Cancelled
0
%
On-Time Arrivals
Punctuality
100
%
Early on average
10 minutes
Early
67
%
On time
33
%
30 mins late
0
%
60 mins late
0
%
90 mins late
0
%
Cancelled
0
%
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Flight FAQs
What is the current status of flight ua939?
Flight ua939 has arrived (status: Arrived). Actual arrival 19:19 (updated Oct 28, 2026).Is flight ua939 on time today?
Flight ua939 has arrived (status: Arrived). Actual arrival was 19:19; follow airport screens for the baggage carousel.Has flight ua939 departed yet? What is the departure time?
Flight ua939 is scheduled to depart at 16:15. The latest actual or estimated departure time is 15:56, and the current status is Arrived (updated Oct 28, 2026).When is flight ua939 scheduled to arrive?
Flight ua939 is scheduled to arrive at 19:15. The latest estimated or actual arrival time is 19:19. Status is Arrived as of Oct 28, 2026.What is the gate information for flight ua939?
For flight ua939, the departure terminal is T2 and the boarding gate is B49. Gate assignments can change at short notice—confirm on airport screens before heading to security.What is the baggage carousel number for flight ua939?
After arrival, baggage for flight ua939 is expected at carousel 5 in terminal I. Carousel numbers are assigned close to landing and may change—follow airport signs on arrival.What route does flight ua939 fly?
Flight ua939 is operated by United Airlines from London (LHR) to San Francisco (SFO). Typical flight time is about 11 hours; operating days may include Wednesday.How can I check real-time status for flight ua939?
Track flight ua939 on this Trip.com status page for live departure, arrival, gate and baggage updates. For push alerts on the go, open the same flight in the Trip.com App and turn on flight notifications.If flight ua939 is delayed or canceled, what should I do?
If ua939 is delayed or canceled, first confirm the latest status here (Arrived, updated Oct 28, 2026). Contact United Airlines or your booking channel for rebooking or refund options, and check Trip.com Manage Booking if you booked on Trip.com.Has flight ua939 departed from London?
Flight ua939 has already left London and completed its journey. Departure was 15:56; actual arrival 19:19.
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