United Airlines UA878 Flight Status
Based on Trip.com’s real-time data, the UA878 flight operated by United Airlines on Oct 24, 2026 is scheduled to fly from Hong Kong (HKG) to San Francisco (SFO). The flight is expected to depart at 22:30 (local time in Hong Kong, UTC+8) and land at 19:24 (local time in San Francisco, UTC-7) .
Fri, Oct 23
Sat, Oct 24
Sun, Oct 25
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Arrived
The flight has arrived 32m late
11128km
12h 40m
Check-in Counter
G
Boarding Gate
50
Arrival Gate
G6
Baggage
1
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United Airlines From PLN 3,197
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Scheduled
Your flight will depart on time.
11128km
12h 40m
Check-in Counter
G1-G36
Boarding Gate
34
Arrival Gate
G2
Baggage
--
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United Airlines From PLN 3,197
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Scheduled
Your flight will depart on time.
12h 25m
Check-in Counter
G
Boarding Gate
--
Arrival Gate
--
Baggage
G1
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Need a flight from Hong Kong to San Francisco?
United Airlines From PLN 3,197
Search flights Information provided by VariFlight For the latest updates, please refer to airport announcements or consult your airline. You can also explore more flights from Hong Kong to San Francisco or track other flights with our flight status tracker.
UA878 Aircraft Details
According to Trip.com real-time data, the UA878 flight flying from Hong Kong to San Francisco on 10/24/2026 is operated by the aircraft model Boeing 777-300ER. This aircraft has been in service for 9y, 4m. The aircraft is equipped with 350 seats.
Boeing 777-300ER
Punctuality (Departure)
93
%
Punctuality (Arrival)
93
%
Late on average
22 minutes
Age
9y, 4m
Seats
350
Distance
--
Economy
Business
Premium Economy
Onboard Amenities
Meal included
Seatback entertainment system
Wi-Fi (additional charge)
USB port and power outlet
Seating Plan
--
Legroom
43 cm
Seat width
--
Reclining Angle
3-4-3
Seat layout example
Onboard Amenities
Meal included
Seatback entertainment system
Wi-Fi (additional charge)
USB port and power outlet
Seating Plan
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
Onboard Amenities
Meal included
Seatback entertainment system
Wi-Fi (additional charge)
USB port and power outlet
Seating Plan
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, Oct 23 from HKG at approximately 23:01. This flight is expected to arrrive in SFO at 20:42.
| Date | Airport | Aircraft Type | 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 | 22:30 | 19:24 | Scheduled |
| Sun, Oct 25 | Hong Kong (HKG) | San Francisco (SFO) | 77W | 22:30 | 19:55 | 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 93% (Late on average 1 hour4 minutes), and the on-time arrival rate is 93% (Late on average 22 minutes).
On-Time Departures
Punctuality
93
%
Late on average
1 hour4 minutes
Early
0
%
On time
93
%
30 mins late
0
%
60 mins late
0
%
90 mins late
7
%
Cancelled
0
%
On-Time Arrivals
Punctuality
93
%
Late on average
22 minutes
Early
80
%
On time
13
%
30 mins late
0
%
60 mins late
0
%
90 mins late
7
%
Cancelled
0
%
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Frequently Asked Questions
What is the current status of flight ua878?
Flight ua878 has not departed yet and is currently on schedule. Scheduled departure 22:30, arrival 20:10 (updated Oct 24, 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 20:10. 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 24, 2026).When is flight ua878 scheduled to arrive?
Flight ua878 is scheduled to arrive at 20:10. The latest estimated or actual arrival time is 19:24. Status is Scheduled as of Oct 24, 2026.What is the gate information for flight ua878?
For flight ua878, the departure terminal is T1 and the boarding gate is 34. Gate assignments can change at short notice—confirm on airport screens before heading to security.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 hours40 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 (Scheduled, updated Oct 24, 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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Destination Info: San Francisco Weather & Time
Clear
|
11°C - 20°C
Expected weather conditions upon arrival
-15 hour time difference
Time on arrival: Hong Kong 10:55
|
San Francisco 19:55
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