United Airlines
UA7939 Flight Status
According to Trip.com real-time data, the UA7939 flight operated by United Airlines on Oct 6, 2026 is scheduled to fly from Tokyo (HND) to San Francisco (SFO). The flight is expected to depart at 10:55 PM (local time in Tokyo, UTC+9) and land at 4:30 PM (local time in San Francisco, UTC-7) .
Mon, Oct 5
Tue, Oct 6
Wed, Oct 7
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Arrived
The flight has arrived 30m early
9h 35m
Check-in Counter
D,E
Boarding Gate
110
Arrival Gate
G6
Baggage
2
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Scheduled
Your flight will depart on time.
9h 35m
Check-in Counter
D,E
Boarding Gate
110
Arrival Gate
--
Baggage
--
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Scheduled
Your flight will depart on time.
9h 35m
Check-in Counter
D,E
Boarding Gate
--
Arrival Gate
--
Baggage
--
Show more
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Information provided by VariFlight
For real-time updates, please check airport displays or contact your airline.
You can also explore more flights from Tokyo to San Francisco or track other flights with our flight status tracker.
UA7939 Aircraft Details
According to Trip.com real-time data, the UA7939 flight flying from Tokyo to San Francisco on 10/6/2026 is operated by the aircraft model Boeing 777-300ER. This aircraft has been in service for 11y, 6m.
Boeing 777-300ER
Punctuality (Departure)
67
%
Punctuality (Arrival)
97
%
Early on average
13 minutes
Age
11y, 6m
Seats
--
Flight Distance
--
Economy
Business
First
Premium Economy
In-Flight Services
Meal included
Seatback entertainment system
Wi-Fi (additional charge)
USB port and power outlet
Seat Information
79 cm
Legroom
43 cm
Seat width better than on 20% of flights
100°
Reclining Angle
2-4-3
Seat layout example
In-Flight Services
Meal included
Seatback entertainment system
Wi-Fi (free)
USB port and power outlet
Seat Information
127 cm
Legroom
51 cm
Seat width better than on 14% of flights
145°
Reclining Angle
1-2-1
Seat layout example
In-Flight Services
Meal included
Seatback entertainment system
Wi-Fi (free)
USB port and power outlet
Seat Information
193 cm
Legroom
84 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
97 cm
Legroom
49 cm
Seat width better than on 50% of flights
135°
Reclining Angle
2-4-2
Seat layout example
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Flight History for UA7939
Trip.com historical records show that the last UA7939 flight departed on Mon, Oct 5 from HND at approximately 11:20 PM. This flight is expected to arrrive in SFO at 4:00 PM.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Thu, Oct 1 | Tokyo (HND) | San Francisco (SFO) | B77W | 11:15 PM | 4:09 PM | Arrived |
| Fri, Oct 2 | Tokyo (HND) | San Francisco (SFO) | B77W | 11:22 PM | 4:00 PM | Arrived |
| Sat, Oct 3 | Tokyo (HND) | San Francisco (SFO) | B77W | 11:13 PM | 3:39 PM | Arrived |
| Sun, Oct 4 | Tokyo (HND) | San Francisco (SFO) | B77W | 11:19 PM | 3:56 PM | Arrived |
| Mon, Oct 5 | Tokyo (HND) | San Francisco (SFO) | B77W | 11:20 PM | 4:00 PM | Arrived |
| Tue, Oct 6 | Tokyo (HND) | San Francisco (SFO) | 773 | 10:55 PM | 4:30 PM | Scheduled |
| Wed, Oct 7 | Tokyo (HND) | San Francisco (SFO) | B77W | 10:55 PM | 4:30 PM | Scheduled |
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UA7939 On-Time Performance
Based on the average performance of this flight over the past 30 trips, the on-time departure rate of UA7939 is 67% (Late on average 30 minutes), and the on-time arrival rate is 97% (Early on average 13 minutes).
On-Time Departures
Punctuality
67
%
Late on average
30 minutes
Early
0
%
On time
67
%
30 mins late
27
%
60 mins late
3
%
90 mins late
3
%
Canceled
0
%
On-Time Arrivals
Punctuality
97
%
Early on average
13 minutes
Early
80
%
On time
17
%
30 mins late
3
%
60 mins late
0
%
90 mins late
0
%
Canceled
0
%
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Frequently Asked Questions
-
What is the current status of flight ua7939?
Flight ua7939 has not departed yet and is currently on schedule. Scheduled departure 10:55 PM, arrival 4:30 PM (updated Oct 6, 2026). -
Is flight ua7939 on time today?
Flight ua7939 has not departed yet and is currently on schedule. Scheduled departure is 10:55 PM, with arrival at 4:30 PM. Recheck gate and timing before you head to the airport. -
Has flight ua7939 departed yet? What is the departure time?
Flight ua7939 is scheduled to depart at 10:55 PM. The latest actual or estimated departure time is 10:55 PM, and the current status is Scheduled (updated Oct 6, 2026). -
When is flight ua7939 scheduled to arrive?
Flight ua7939 is scheduled to arrive at 4:30 PM. The latest estimated or actual arrival time is 4:30 PM. Status is Scheduled as of Oct 6, 2026. -
What is the gate information for flight ua7939?
For flight ua7939, the departure terminal is T3 and the boarding gate is 110. Gate assignments can change at short notice—confirm on airport screens before heading to security. -
What route does flight ua7939 fly?
Flight ua7939 is operated by United Airlines from Tokyo (HND) to San Francisco (SFO). Typical flight time is about 9 hours35 minutes; operating days may include Tuesday. -
How can I check real-time status for flight ua7939?
Track flight ua7939 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 ua7939 is delayed or canceled, what should I do?
If ua7939 is delayed or canceled, first confirm the latest status here (Scheduled, updated Oct 6, 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 ua7939 departed from Tokyo?
Flight ua7939 has not departed from Tokyo (HND) yet and is currently on schedule for 10:55 PM. -
What is the seat configuration for flight ua7939?
Flight ua7939 usually flies a Boeing 777-300ER with seat layout 2-4-3. Layouts can differ by aircraft subtype and cabin product—confirm your seat map in Manage Booking after you purchase.
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Arrival Info: San Francisco Weather & Current Time
Clear
|
15°C - 25°C
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-16 hour time difference
Time on arrival: Tokyo 08:30
|
San Francisco 16:30
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