United Airlines UA7939 Flight Status
According to Trip.com real-time data, the UA7939 flight operated by United Airlines on Apr 14, 2026 is scheduled to fly from Tokyo (HND) to San Francisco (SFO). The flight is expected to depart at 22:55 (local time in Tokyo, UTC+9) and land at 16:35 (local time in San Francisco, UTC-7) .
Mon, Apr 13
Tue, Apr 14
Wed, Apr 15
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Arrived
The flight has arrived 21m early
9h 40m
Check-in Counter
D,E
Boarding Gate
111
Arrival Gate
G5
Baggage
2
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Scheduled
Your flight will depart on time.
9h 40m
Check-in Counter
D,E
Boarding Gate
111
Arrival Gate
--
Baggage
--
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Scheduled
Your flight will depart on time.
9h 40m
Check-in Counter
D,E
Boarding Gate
--
Arrival Gate
--
Baggage
--
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Information provided by VariFlight. Please refer to airport announcements for the most up-to-date information. If this is not your flight, you can browse more options for flights from Tokyo to San Francisco to find your schedule.
UA7939 Aircraft Details
According to Trip.com real-time data, the UA7939 flight flying from Tokyo to San Francisco on 4/14/2026 is operated by the aircraft model Boeing 777-300ER. This aircraft has been in service for 10y, 11m.
Boeing 777-300ER
Punctuality (Departure)
63%
Punctuality (Arrival)
97%
Early on average
1 minute
Age
10y, 11m
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
86 cm
More legroom than on 71% of flights
43 cm
Seat width better than on 21% of flights
110°
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
157 cm
More legroom than on 33% of flights
53 cm
Seat width better than on 56% of flights
180°
Reclining Angle Fully reclinable
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
More legroom than on 10% of flights
84 cm
Seat width better than on 70% 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
More legroom than on 45% of flights
49 cm
Seat width better than on 73% of flights
135°
Reclining Angle
2-4-2
Seat layout example
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Recent Flight History for UA7939
Trip.com historical records show that the last UA7939 flight departed on Mon, Apr 13 from HND at approximately 23:15. This flight is expected to arrrive in SFO at 16:14.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Thu, Apr 9 | Tokyo (HND) | San Francisco (SFO) | B77W | 23:14 | 16:27 | Arrived |
| Fri, Apr 10 | Tokyo (HND) | San Francisco (SFO) | B77W | 23:36 | 16:43 | Arrived |
| Sat, Apr 11 | Tokyo (HND) | San Francisco (SFO) | B77W | 23:14 | 16:19 | Arrived |
| Sun, Apr 12 | Tokyo (HND) | San Francisco (SFO) | B77W | 23:37 | 16:36 | Arrived |
| Mon, Apr 13 | Tokyo (HND) | San Francisco (SFO) | B77W | 23:15 | 16:14 | Arrived |
| Tue, Apr 14 | Tokyo (HND) | San Francisco (SFO) | 773 | 22:55 | 16:35 | Scheduled |
| Wed, Apr 15 | Tokyo (HND) | San Francisco (SFO) | B77W | 22:55 | 16:35 | 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 63% (Late on average 29 minutes), and the on-time arrival rate is 97% (Early on average 1 minute).
On-Time Departures
Punctuality
63%
Late on average 29 minutes
Early
0%
On time
63%
30 mins late
33%
60 mins late
3%
90 mins late
0%
Cancelled
0%
On-Time Arrivals
Punctuality
97%
Early on average 1 minute
Early
60%
On time
37%
30 mins late
3%
60 mins late
0%
90 mins late
0%
Cancelled
0%
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Cheap return flights to Tokyo
- Wed, Apr 15San Francisco (SFO)Tokyo (TYO)
ZIPAIROne way25% offKRW 530,200KRW 397,400 - Tue, Apr 21San Francisco (SFO)Tokyo (TYO) ZIPAIROne way25% offKRW 530,200KRW 397,400
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Arrival Info: San Francisco Weather & Current Time
Mostly clear
|
10°C - 17°C
Weather forecast for your arrival day
-16 hour time difference
Time on arrival: Tokyo 08:35| San Francisco 16:35
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