Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL877

Operated by UAL

Live map

Live map filtered to UAL877. Shown when the flight is currently airborne.

Route airports View route page →

Departure

SFO KSFO MVFR

San Francisco International Airport

San Francisco, US

Local time
03:45 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
13 ft
Coordinates
37.6198, -122.3748

cloud Weather

Wind
240° / 5 kt
Visibility
10 SM
Ceiling
OVC 1,200 ft
Temp / Dew
13°C / 10°C
Altimeter
30.09 inHg

Obs: 2026-05-30T09:56:00.000Z

Raw METAR / TAF 
METAR KSFO 300956Z 24005KT 10SM OVC012 13/10 A3009 RMK AO2 SLP190 T01280100

TAF KSFO 300900Z 3009/3112 27008KT P6SM OVC012 FM301800 28012KT P6SM SKC FM302300 27022KT P6SM SKC FM310600 28012KT P6SM SKC

flight Live Traffic

flight_takeoff 142 Departures
flight_land 122 Arrivals

Arrival

HKG VHHH VFR

Hong Kong International Airport

Hong Kong, HK

Local time
18:45 GMT+8
Timezone
Asia/Hong_Kong
Type
Large Airport
Elevation
28 ft
Coordinates
22.3118, 113.9149

cloud Weather

Wind
210° / 6 kt
Visibility
6 SM
Ceiling
FEW 2,500 ft
Temp / Dew
32°C / 24°C
Altimeter
29.76 inHg

Obs: 2026-05-30T10:30:00.000Z

Raw METAR / TAF 
METAR VHHH 301030Z 21006KT 170V240 9999 FEW025 32/24 Q1008 BECMG 10010KT

TAF VHHH 300800Z 3009/3115 10010KT 9999 FEW015 TX32/3106Z TN28/3022Z TEMPO 3009/3011 27010KT TEMPO 3010/3014 4000 SHRA FEW010CB SCT020 TEMPO 3020/3024 VRB05KT 3500 SHRA FEW010CB SCT020 TEMPO 3103/3109 25010KT

flight Live Traffic

flight_takeoff 9 Departures
flight_land 14 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-05-30 A1F5FF SFO → HKG May 30, 08:05 UTCMay 30, 08:30 UTC25m - -
2026-05-29 A28DC8 SFO → HKG May 29, 22:05 UTCMay 29, 22:30 UTC25m - -
2026-05-29 A28DC8 SFO → HKG May 29, 08:20 UTCMay 29, 08:45 UTC25m - -
2026-05-29 A28DC8 SFO → HKG May 29, 07:40 UTCMay 29, 21:47 UTC14h 7m +50m +18m
2026-05-28 A2B8FE SFO → HKG May 28, 07:21 UTCMay 28, 20:33 UTC13h 12m +31m +5m
2026-05-28 A2B8FE SFO → HKG May 28, 07:10 UTCMay 28, 07:30 UTC20m - -
2026-05-27 A1F2B1 SFO → HKG May 27, 08:10 UTCMay 27, 21:35 UTC13h 25m - -
2026-05-26 A21DC4 SFO → HKG May 26, 07:24 UTCMay 26, 21:04 UTC13h 40m - -
2026-05-25 A1C7E4 SFO → HKG May 25, 20:19 UTCMay 25, 20:40 UTC20m - -
2026-05-25 A1C7E4 SFO → HKG May 25, 07:15 UTCMay 25, 19:44 UTC12h 29m - -
2026-05-24 A2B8DB SFO → HKG May 24, 07:10 UTCMay 24, 20:50 UTC13h 40m - -
2026-05-23 A1C82A SFO → HKG May 23, 07:26 UTCMay 23, 21:01 UTC13h 35m +36m +9m
2026-05-23 A1C82A SFO → HKG May 23, 07:35 UTCMay 23, 08:00 UTC25m - -
2026-05-22 A1F622 SFO → HKG May 22, 07:25 UTCMay 22, 21:00 UTC13h 35m - -
2026-05-21 A21679 SFO → HKG May 21, 06:30 UTCMay 21, 20:00 UTC13h 30m - -
2026-05-20 A1C7E4 SFO → HKG May 20, 06:30 UTCMay 20, 20:20 UTC13h 50m - -
2026-05-19 A28DC8 SFO → HKG May 19, 06:46 UTCMay 19, 20:44 UTC13h 58m +46m -8m
2026-05-19 A28DC8 SFO → HKG May 19, 06:45 UTCMay 19, 20:55 UTC14h 10m - -
2026-05-18 A1F622 SFO → HKG May 18, 06:55 UTCMay 18, 21:00 UTC14h 4m - -
2026-05-17 A2B8FE SFO → HKG May 17, 06:31 UTCMay 17, 20:34 UTC14h 3m +31m -2m
2026-05-17 A2B8FE SFO → HKG May 17, 06:30 UTCMay 17, 06:50 UTC20m - -
2026-05-16 A1F2B1 SFO → HKG May 16, 07:05 UTCMay 16, 21:20 UTC14h 15m - -
2026-05-15 A28DC8 SFO → HKG May 15, 06:45 UTCMay 15, 20:20 UTC13h 34m - -
2026-05-14 A2B8FE SFO → HKG May 14, 06:50 UTCMay 14, 21:30 UTC14h 40m +50m -7m
2026-05-14 A2B8FE SFO → HKG May 14, 07:20 UTCMay 14, 21:30 UTC14h 10m - -
2026-05-13 A2E014 SFO → HKG May 13, 20:30 UTCMay 13, 20:50 UTC20m - -
2026-05-13 A2E014 SFO → HKG May 13, 06:45 UTCMay 13, 20:43 UTC13h 58m +45m +6m
2026-05-13 A2E014 SFO → HKG May 13, 06:45 UTCMay 13, 19:50 UTC13h 5m - -
2026-05-12 A1F622 SFO → HKG May 12, 07:05 UTCMay 12, 20:45 UTC13h 40m - -
2026-05-11 A21DC4 SFO → HKG May 11, 20:30 UTCMay 11, 20:50 UTC20m - -

Performance history

Flights tracked
91 showing last 30
Avg arrival delay
+3m
On-time arrival
86% 86% on time
Aircraft used
11

Monthly activity 2 months

Month Flights tracked
May 2026 47
April 2026 44

UAL877 frequently asked

Where does flight UAL877 fly?
UAL877 (UAL) flies from SFO to HKG. View the full route page.
How long is flight UAL877?
Based on observed flights, UAL877 takes on average 9h 44m from takeoff to landing.
How often does UAL877 fly?
UAL877 has been observed flying several times a week in our tracking data. We've recorded 91 flights under this callsign.
Is flight UAL877 usually on time?
Across recent flights, UAL877 arrives with an average 3-minute delay. 86% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL877?
UAL877 has been operated by 11 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL877 live?
Yes. When UAL877 is currently airborne, the live tracker map above shows its real-time position from ADS-B broadcasts. If the map is empty, the flight is not currently in the air.