United Airlines UA878 Flight Status
According to Trip.com latest record on status for United Airlines flight UA878 from Hong Kong to San Francisco (HKG-SFO): Flights for Oct 25, 2026 are scheduled, with the next departure slated for 22:30 from HKG and an expected arrival at 19:23 at SFO .
Sat, Oct 24
Sun, Oct 25
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Arrived
The flight arrived 11m early.
11128km
12h 40m
Check-in Counter
G
Boarding Gate
34
Arrival Gate
G2
Baggage
2
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Scheduled
Your flight will depart on time.
11128km
12h 25m
Check-in Counter
G
Boarding Gate
--
Arrival Gate
G5
Baggage
G1
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UA869
|
San Francisco (SFO)
Hong Kong (HKG)
Hong Kong (HKG)
Scheduled: 19:20
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UA878 Aircraft Specifications
According to Trip.com real-time data, the UA878 flight from Hong Kong to San Francisco on 10/25/2026 is operated using the aircraft model Boeing 777-300ER. This aircraft has been in service for 9y, 4m. The aircraft has 350 seats. The average flight distance for this journey is 11,128km.
Boeing 777-300ER
On-Time Departure
90
%
On-Time Arrival
90
%
Avg. Delay
24 minutes
Aircraft Age
9y, 4m
Total Seats
350
Flight Distance
11,128km
Economy
Business
Premium Economy
Cabin Amenities
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
Cabin Amenities
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
Cabin Amenities
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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UA878 Flight History
Trip.com historical records show that the last UA878 flight departed on Sat, Oct 24 from HKG at approximately 22:47. This flight is expected to arrrive in SFO at 19:59.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Mon, Oct 19 | Hong Kong (HKG) | San Francisco (SFO) | 77W | 22:48 | 20:07 | Arrived |
| Tue, Oct 20 | Hong Kong (HKG) | San Francisco (SFO) | 77W | 22:42 | 19:54 | Arrived |
| Wed, Oct 21 | Hong Kong (HKG) | San Francisco (SFO) | 77W | 22:39 | 19:36 | Arrived |
| Thu, Oct 22 | Hong Kong (HKG) | San Francisco (SFO) | 77W | 22:42 | 19:26 | Arrived |
| Fri, Oct 23 | Hong Kong (HKG) | San Francisco (SFO) | 77W | 23:01 | 20:42 | Arrived |
| Sat, Oct 24 | Hong Kong (HKG) | San Francisco (SFO) | 77W | 22:47 | 19:59 | Arrived |
| Sun, Oct 25 | Hong Kong (HKG) | San Francisco (SFO) | 77W | 22:30 | 19:23 | Scheduled |
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UA878 On-Time Performance
Based on the average performance of this flight over the last 30 trips, the on-time departure rate of UA878 is 90% (Late on average 1 hour 5 minutes), and the on-time arrival rate is 90% (Late on average 24 minutes).
On-Time Departures
Punctuality
90
%
Late on average
1 hour 5 minutes
Early
0
%
On time
90
%
30 mins late
3
%
60 mins late
0
%
90 mins late
7
%
Cancelled
0
%
On-Time Arrivals
Punctuality
90
%
Late on average
24 minutes
Early
77
%
On time
13
%
30 mins late
3
%
60 mins late
0
%
90 mins late
7
%
Cancelled
0
%
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Flight FAQs
What is the current status of flight ua878?
Flight ua878 has not departed yet and is currently on schedule. Scheduled departure 22:30, arrival 19:55 (updated Oct 25, 2026).Is flight ua878 on time today?
Flight ua878 has not departed yet and is currently on schedule. Scheduled departure is 22:30, with arrival at 19:55. Recheck gate and timing before you head to the airport.Has flight ua878 departed yet? What is the departure time?
Flight ua878 is scheduled to depart at 22:30. The latest actual or estimated departure time is 22:30, and the current status is Scheduled (updated Oct 25, 2026).When is flight ua878 scheduled to arrive?
Flight ua878 is scheduled to arrive at 19:55. The latest estimated or actual arrival time is 19:23. Status is Scheduled as of Oct 25, 2026.What is the baggage carousel number for flight ua878?
After arrival, baggage for flight ua878 is expected at carousel G1 in terminal I. Carousel numbers are assigned close to landing and may change—follow airport signs on arrival.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 hours 25 minutes; operating days may include Sunday.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 (Scheduled, updated Oct 25, 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 not departed from Hong Kong (HKG) yet and is currently on schedule for 22:30.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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Clear
|
11°C - 22°C
Weather forecast for your arrival day
-15 hour time difference
Time on arrival: Hong Kong 10:23
|
San Francisco 19:23
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