UA877 Aircraft Details
According to Trip.com real-time data, the UA877 flight flying from San Francisco to Hong Kong on 3/6/2026 is operated by the aircraft model Boeing 777-300ER. This aircraft has been in service for 8y. The aircraft is equipped with 350 seats.

Boeing 777-300ER
Punctuality (Departure)
23%
Punctuality (Arrival)
97%
Early on average
13 minutes
Age
8y
Seats
350
Flight Distance
--
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 67% of flights
56 cm
Seat width better than on 67% 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 UA877
Check more records from Trip.com about UA877 before and after today
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Fri, Feb 27 | San Francisco (SFO) | Hong Kong (HKG) | 77W | 11:45 PM | 6:02 AM | Arrived |
| Sat, Feb 28 | San Francisco (SFO) | Hong Kong (HKG) | 77W | 11:51 PM | 5:54 AM | Arrived |
| Sun, Mar 1 | San Francisco (SFO) | Hong Kong (HKG) | 77W | 11:56 PM | 5:49 AM | Arrived |
| Mon, Mar 2 | San Francisco (SFO) | Hong Kong (HKG) | 77W | 12:07 AM | 6:26 AM | Arrived |
| Tue, Mar 3 | San Francisco (SFO) | Hong Kong (HKG) | 77W | 11:58 PM | 6:21 AM | Arrived |
| Wed, Mar 4 | San Francisco (SFO) | Hong Kong (HKG) | 77W | 11:44 PM | 6:49 AM | Arrived |
| Thu, Mar 5 | San Francisco (SFO) | Hong Kong (HKG) | 77W | 11:15 PM | 5:36 AM | Scheduled |
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UA877 On-Time Performance
Based on the average performance of this flight over the past 30 trips, the on-time departure rate of UA877 is 23% (Late on average 44 minutes), and the on-time arrival rate is 97% (Early on average 13 minutes).
On-Time Departures
Punctuality
23%
Late on average 44 minutes
Early
0%
On time
23%
30 mins late
63%
60 mins late
10%
90 mins late
3%
Canceled
0%
On-Time Arrivals
Punctuality
97%
Early on average 13 minutes
Early
57%
On time
40%
30 mins late
0%
60 mins late
3%
90 mins late
0%
Canceled
0%
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