United Airlines UA878 Flight Status
According to real-time data from Trip.com, flight UA878, operated by United Airlines and scheduled to fly from Hong Kong (HKG to San Francisco (SFO), has been cancelled. Please contact the airline or airport counter for the latest information.
Fri, Nov 13
Sat, Nov 14
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Arrived
The flight has arrived 51m early
11128km
12h 25m
Check-in Counter
G
Boarding Gate
42
Arrival Gate
G7
Baggage
G3
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Canceled
Please refer to the airline for the latest information
11128km
12h 25m
Check-in Counter
G1-G36
Boarding Gate
--
Arrival Gate
--
Baggage
--
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Sat, Nov 14Hong Kong (HKG)San Francisco (SFO)
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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 11/14/2026 is operated by the aircraft model Boeing 777-300ER. This aircraft has been in service for 6y, 7m. The aircraft is equipped with 350 seats. The average flight distance for this journey is 11,128 km.
Boeing 777-300ER
Punctuality (Departure)
77
%
Punctuality (Arrival)
83
%
Late on average
40 minutes
Age
6y, 7m
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 60% of flights
56 cm
Seat width better than on 80% 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 Fri, Nov 13 from HKG at approximately 10:47 PM. This flight is expected to arrrive in SFO at 6:04 PM.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Sun, Nov 8 | Hong Kong (HKG) | San Francisco (SFO) | 77W | 10:51 PM | 6:31 PM | Arrived |
| Mon, Nov 9 | Hong Kong (HKG) | San Francisco (SFO) | 77W | 10:47 PM | 6:49 PM | Arrived |
| Tue, Nov 10 | Hong Kong (HKG) | San Francisco (SFO) | 77W | 10:44 PM | 6:07 PM | Arrived |
| Wed, Nov 11 | Hong Kong (HKG) | San Francisco (SFO) | 77W | 1:29 AM | 9:32 PM | Arrived |
| Thu, Nov 12 | Hong Kong (HKG) | San Francisco (SFO) | 77W | 10:57 PM | 7:13 PM | Arrived |
| Fri, Nov 13 | Hong Kong (HKG) | San Francisco (SFO) | 77W | 10:47 PM | 6:04 PM | Arrived |
| Sat, Nov 14 | Hong Kong (HKG) | San Francisco (SFO) | 77W | -- | -- | Canceled |
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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 77% (Late on average 1 hour15 minutes), and the on-time arrival rate is 83% (Late on average 40 minutes).
On-Time Departures
Punctuality
77
%
Late on average
1 hour15 minutes
Early
0
%
On time
77
%
30 mins late
13
%
60 mins late
0
%
90 mins late
10
%
Canceled
1
%
On-Time Arrivals
Punctuality
83
%
Late on average
40 minutes
Early
70
%
On time
13
%
30 mins late
7
%
60 mins late
0
%
90 mins late
10
%
Canceled
1
%
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Frequently Asked Questions
What is the current status of flight ua878?
Flight ua878 has been canceled (status: Canceled). Contact United Airlines or your booking channel for rebooking or refund (updated Nov 14, 2026).Is flight ua878 on time today?
Flight ua878 has been canceled (status: Canceled). Contact United Airlines or your booking channel for rebooking or refund options; if booked on Trip.com, use Manage Booking.Has flight ua878 departed yet? What is the departure time?
Flight ua878 is scheduled to depart at 10:30 PM. The latest actual or estimated departure time is 12:45 AM, and the current status is Canceled (updated Nov 14, 2026).When is flight ua878 scheduled to arrive?
Flight ua878 is scheduled to arrive at 6:55 PM. The latest estimated or actual arrival time is 8:36 PM. Status is Canceled as of Nov 14, 2026.What route does flight ua878 fly?
Flight ua878 is operated by United Airlines from Hong Kong (HKG) to San Francisco (SFO). Typical flight time is about 12 hours25 minutes; operating days may include Saturday.How can I check real-time status for flight ua878?
Track flight ua878 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 ua878 is delayed or canceled, what should I do?
If ua878 is delayed or canceled, first confirm the latest status here (Canceled, updated Nov 14, 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 ua878 departed from Hong Kong?
Flight ua878 has been canceled and did not depart from Hong Kong (HKG). Contact United Airlines or your booking channel for next steps.What is the seat configuration for flight ua878?
Flight ua878 usually flies a Boeing 777-300ER with seat layout 3-4-3. Layouts can differ by aircraft subtype and cabin product—confirm your seat map in Manage Booking after you purchase.
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