United Airlines UA878 Flight Status
According to Trip.com real-time data, the UA878 flight operated by United Airlines on May 26, 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 7:26 PM (local time in San Francisco, UTC-7) .
Mon, May 25
Tue, May 26
Wed, May 27
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Scheduled
Your flight will depart on time.
11128km
13h 5m
Check-in Counter
G
Boarding Gate
--
Arrival Gate
--
Baggage
--
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Scheduled
Your flight will depart on time.
11128km
13h 5m
Check-in Counter
G
Boarding Gate
--
Arrival Gate
--
Baggage
--
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Scheduled
Your flight will depart on time.
13h 5m
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: Scheduled
UA869
|
San Francisco (SFO) 
Hong Kong (HKG)
Hong Kong (HKG)Scheduled: 6:55 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 5/26/2026 is operated by the aircraft model Boeing 777-300ER. This aircraft has been in service for 6y, 4m. The aircraft is equipped with 350 seats. The average flight distance for this journey is 11,128 km.
Boeing 777-300ER
Punctuality (Departure)
90%
Punctuality (Arrival)
87%
Late on average
0 minutes
Age
6y, 4m
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 75% of flights
56 cm
Seat width better than on 75% 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 Mon, May 25 from HKG at approximately 10:30 PM. This flight is expected to arrrive in SFO at 7:26 PM.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Thu, May 21 | Hong Kong (HKG) | San Francisco (SFO) | 77W | 10:30 PM | 7:26 PM | Scheduled |
| Fri, May 22 | Hong Kong (HKG) | San Francisco (SFO) | 77W | 10:30 PM | 8:35 PM | Scheduled |
| Sat, May 23 | Hong Kong (HKG) | San Francisco (SFO) | 77W | 1:55 AM | 10:51 PM | Delayed |
| Sun, May 24 | Hong Kong (HKG) | San Francisco (SFO) | 77W | 10:30 PM | 7:26 PM | Scheduled |
| Mon, May 25 | Hong Kong (HKG) | San Francisco (SFO) | 77W | 10:30 PM | 7:26 PM | Scheduled |
| Tue, May 26 | Hong Kong (HKG) | San Francisco (SFO) | 77W | 10:30 PM | 7:26 PM | Scheduled |
| Wed, May 27 | Hong Kong (HKG) | San Francisco (SFO) | 77W | 10:30 PM | 8:35 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 90% (Late on average 34 minutes), and the on-time arrival rate is 87% (Early on average 0 minutes).
On-Time Departures
Punctuality
90%
Late on average 34 minutes
Early
0%
On time
90%
30 mins late
0%
60 mins late
3%
90 mins late
7%
Canceled
0%
On-Time Arrivals
Punctuality
87%
Early on average 0 minutes
Early
70%
On time
17%
30 mins late
3%
60 mins late
3%
90 mins late
7%
Canceled
0%
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Cheap return flights to Hong Kong
- Fri, Jul 17San Francisco (SFO)Hong Kong (HKG)
Air PremiaOne way20% offAED 1,896AED 1,525 - Wed, Jul 8San Francisco (SFO)Hong Kong (HKG) Air PremiaOne way18% offAED 1,896AED 1,548
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Arrival Info: San Francisco Weather & Current Time
Mostly cloudy
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12°C - 16°C
Weather forecast for your arrival day
-15 hour time difference
Time on arrival: Hong Kong 10:26| San Francisco 19:26
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