United Airlines UA7939 Flight Status
According to Trip.com real-time data, the UA7939 flight operated by United Airlines on Mar 10, 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 4:20 PM (local time in San Francisco, UTC-8) .
Mon, Mar 9
Tue, Mar 10
Wed, Mar 11
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Arrived
The flight has arrived 22m early
9h 25m
Check-in Counter
D,E
Boarding Gate
111
Arrival Gate
G2
Baggage
6
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Scheduled
Your flight will depart on time.
9h 25m
Check-in Counter
D,E
Boarding Gate
109
Arrival Gate
--
Baggage
--
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Scheduled
Your flight will depart on time.
9h 25m
Check-in Counter
D,E
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 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 3/10/2026 is operated by the aircraft model Boeing 777-300ER. This aircraft has been in service for 10y, 5m.
Boeing 777-300ER
Punctuality (Departure)
57%
Punctuality (Arrival)
73%
Late on average
13 minutes
Age
10y, 5m
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 14% of flights
84 cm
Seat width better than on 57% 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 55% 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, Mar 9 from HND at approximately 11:17 PM. This flight is expected to arrrive in SFO at 3:58 PM.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Thu, Mar 5 | Tokyo (HND) | San Francisco (SFO) | B77W | 11:16 PM | 3:29 PM | Arrived |
| Fri, Mar 6 | Tokyo (HND) | San Francisco (SFO) | B77W | 12:21 AM | 4:25 PM | Arrived |
| Sat, Mar 7 | Tokyo (HND) | San Francisco (SFO) | B77W | 11:59 PM | 3:41 PM | Arrived |
| Sun, Mar 8 | Tokyo (HND) | San Francisco (SFO) | B77W | 11:22 PM | 4:20 PM | Arrived |
| Mon, Mar 9 | Tokyo (HND) | San Francisco (SFO) | B77W | 11:17 PM | 3:58 PM | Arrived |
| Tue, Mar 10 | Tokyo (HND) | San Francisco (SFO) | B772 | 10:55 PM | 4:20 PM | Scheduled |
| Wed, Mar 11 | Tokyo (HND) | San Francisco (SFO) | B77W | 10:55 PM | 4:20 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 57% (Late on average 33 minutes), and the on-time arrival rate is 73% (Late on average 13 minutes).
On-Time Departures
Punctuality
57%
Late on average 33 minutes
Early
0%
On time
57%
30 mins late
37%
60 mins late
7%
90 mins late
0%
Canceled
0%
On-Time Arrivals
Punctuality
73%
Late on average 13 minutes
Early
33%
On time
40%
30 mins late
20%
60 mins late
7%
90 mins late
0%
Canceled
0%
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Arrival Info: San Francisco Weather & Current Time
Clear
|
10°C - 20°C
Weather forecast for your arrival day
-16 hour time difference
Time on arrival: Tokyo 08:20| San Francisco 16:20
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