United Airlines UA878 Flight Status
According to Trip.com real-time data, the UA878 flight operated by United Airlines on Mar 6, 2026 is scheduled to fly from Hong Kong (HKG) to San Francisco (SFO). The flight is expected to depart at 10:30 PM (local time in Hong Kong, UTC+8) and land at 6:28 PM (local time in San Francisco, UTC-8) .
Thu, Mar 5
Fri, Mar 6
Sat, Mar 7
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Arrived
The flight has arrived 22m early
11128km
12h 25m
Check-in Counter
G
Boarding Gate
67
Arrival Gate
G2
Baggage
4
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Scheduled
Your flight will depart on time.
11128km
12h 25m
Check-in Counter
G1-G36
Boarding Gate
--
Arrival Gate
G7
Baggage
--
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Scheduled
Your flight will depart on time.
12h 25m
Check-in Counter
G
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 Hong Kong to San Francisco to find your schedule.
Track the Previous Flight Status: In Flight
UA869
|
San Francisco (SFO) 
Hong Kong (HKG)
Hong Kong (HKG)Scheduled: 7:20 PM
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UA878 Aircraft Details
According to Trip.com real-time data, the UA878 flight flying from Hong Kong to San Francisco on 3/6/2026 is operated by the aircraft model Boeing 777-300ER. This aircraft has been in service for 9y. The aircraft is equipped with 350 seats. The average flight distance for this journey is 11,128 km.
Boeing 777-300ER
Punctuality (Departure)
83%
Punctuality (Arrival)
100%
Early on average
12 minutes
Age
9y
Seats
350
Flight Distance
11,128 km
Economy
Business
Premium Economy
In-Flight Services
Meal included
Seatback entertainment system
Wi-Fi (additional charge)
USB port and power outlet
Seat Information
--
Legroom
43 cm
Seat width
--
Reclining Angle
3-4-3
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 67% of flights
56 cm
Seat width better than on 67% 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
47 cm
Seat width
140°
Reclining Angle
2-4-2
Seat layout example
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Flight History for UA878
Trip.com historical records show that the last UA878 flight departed on Thu, Mar 5 from HKG at approximately 10:48 PM. This flight is expected to arrrive in SFO at 6:33 PM.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Sun, Mar 1 | Hong Kong (HKG) | San Francisco (SFO) | 77W | 10:44 PM | 7:03 PM | Arrived |
| Mon, Mar 2 | Hong Kong (HKG) | San Francisco (SFO) | 77W | 10:52 PM | 6:41 PM | Arrived |
| Tue, Mar 3 | Hong Kong (HKG) | San Francisco (SFO) | 77W | 10:52 PM | 6:39 PM | Arrived |
| Wed, Mar 4 | Hong Kong (HKG) | San Francisco (SFO) | 77W | 11:20 PM | 6:54 PM | Arrived |
| Thu, Mar 5 | Hong Kong (HKG) | San Francisco (SFO) | 77W | 10:48 PM | 6:33 PM | Arrived |
| Fri, Mar 6 | Hong Kong (HKG) | San Francisco (SFO) | 77W | 10:30 PM | 6:28 PM | Scheduled |
| Sat, Mar 7 | Hong Kong (HKG) | San Francisco (SFO) | 77W | 10:30 PM | 6:55 PM | Scheduled |
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UA878 On-Time Performance
Based on the average performance of this flight over the past 30 trips, the on-time departure rate of UA878 is 83% (Late on average 20 minutes), and the on-time arrival rate is 100% (Early on average 12 minutes).
On-Time Departures
Punctuality
83%
Late on average 20 minutes
Early
0%
On time
83%
30 mins late
13%
60 mins late
3%
90 mins late
0%
Canceled
0%
On-Time Arrivals
Punctuality
100%
Early on average 12 minutes
Early
60%
On time
40%
30 mins late
0%
60 mins late
0%
90 mins late
0%
Canceled
0%
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Arrival Info: San Francisco Weather & Current Time
Mostly clear
|
12°C - 18°C
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-16 hour time difference
Time on arrival: Hong Kong 10:28| San Francisco 18:28
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