United Airlines UA877 Flight Status
According to Trip.com latest record on status for United Airlines flight UA877 from San Francisco to Hong Kong (SFO-HKG): Flights for Oct 21, 2026 are scheduled, with the next departure slated for 23:30 from SFO and an expected arrival at 05:00 at HKG .
Wed, Oct 21
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Scheduled
Your flight will depart on time.
14h 30m
Check-in Counter
--
Boarding Gate
G9
Arrival Gate
--
Baggage
--
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UA877 Aircraft Specifications
According to Trip.com real-time data, the UA877 flight from San Francisco to Hong Kong on 10/22/2026 is operated using the aircraft model Boeing 777-300ER. This aircraft has been in service for 9y, 8m. The aircraft has 350 seats.
Boeing 777-300ER
On-Time Departure
40
%
On-Time Arrival
97
%
Avg. Early
8 minutes
Aircraft Age
9y, 8m
Total Seats
350
Flight Distance
--
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 75% of flights
56 cm
Seat width better than on 75% 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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UA877 Flight History
Check more records from Trip.com about UA877 before and after today
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Thu, Oct 15 | San Francisco (SFO) | Hong Kong (HKG) | 77W | -- | -- | Cancelled |
| Fri, Oct 16 | San Francisco (SFO) | Hong Kong (HKG) | 77W | 00:30 | 05:04 | Arrived |
| Sat, Oct 17 | San Francisco (SFO) | Hong Kong (HKG) | 77W | -- | -- | Cancelled |
| Sun, Oct 18 | San Francisco (SFO) | Hong Kong (HKG) | 77W | 00:17 | 04:59 | Arrived |
| Mon, Oct 19 | San Francisco (SFO) | Hong Kong (HKG) | 772 | 00:06 | 05:02 | Arrived |
| Tue, Oct 20 | San Francisco (SFO) | Hong Kong (HKG) | 77W | 00:04 | 04:55 | In Flight |
| Wed, Oct 21 | San Francisco (SFO) | Hong Kong (HKG) | 77W | 23:30 | 05:00 | Scheduled |
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UA877 On-Time Performance
Based on the average performance of this flight over the last 30 trips, the on-time departure rate of UA877 is 40% (Late on average 37 minutes), and the on-time arrival rate is 97% (Early on average 8 minutes).
On-Time Departures
Punctuality
40
%
Late on average
37 minutes
Early
0
%
On time
40
%
30 mins late
50
%
60 mins late
7
%
90 mins late
3
%
Cancelled
1
%
On-Time Arrivals
Punctuality
97
%
Early on average
8 minutes
Early
60
%
On time
37
%
30 mins late
3
%
60 mins late
0
%
90 mins late
0
%
Cancelled
1
%
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Flight FAQs
What is the current status of flight ua877?
Flight ua877 has not departed yet and is currently on schedule. Scheduled departure 23:30, arrival 05:00 (updated Oct 22, 2026).Is flight ua877 on time today?
Flight ua877 has not departed yet and is currently on schedule. Scheduled departure is 23:30, with arrival at 05:00. Recheck gate and timing before you head to the airport.Has flight ua877 departed yet? What is the departure time?
Flight ua877 is scheduled to depart at 23:30. The latest actual or estimated departure time is 23:30, and the current status is Scheduled (updated Oct 22, 2026).When is flight ua877 scheduled to arrive?
Flight ua877 is scheduled to arrive at 05:00. The latest estimated or actual arrival time is 05:00. Status is Scheduled as of Oct 22, 2026.What is the gate information for flight ua877?
For flight ua877, the departure terminal is I and the boarding gate is G9. Gate assignments can change at short notice—confirm on airport screens before heading to security.What route does flight ua877 fly?
Flight ua877 is operated by United Airlines from San Francisco (SFO) to Hong Kong (HKG). Typical flight time is about 14 hours 30 minutes; operating days may include Thursday.How can I check real-time status for flight ua877?
Track flight ua877 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 ua877 is delayed or canceled, what should I do?
If ua877 is delayed or canceled, first confirm the latest status here (Scheduled, updated Oct 22, 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 ua877 departed from San Francisco?
Flight ua877 has not departed from San Francisco (SFO) yet and is currently on schedule for 23:30.What is the seat configuration for flight ua877?
Flight ua877 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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