Apparatus

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flight_takeoff Flight

UAL878

Operated by UAL

Live map

Live map filtered to UAL878. Shown when the flight is currently airborne.

Upcoming flights 1 scheduled

From To Scheduled departure Estimated arrival Status
HKG SFO Jul 15, 02:30 PM UTC Jul 16, 03:35 AM UTC PLANNED

Route airports View route page →

Departure

HKG VHHH VFR

Hong Kong International Airport

Hong Kong, HK

Local time
22:45 GMT+8
Timezone
Asia/Hong_Kong
Type
Large Airport
Elevation
28 ft
Coordinates
22.3118, 113.9149

cloud Weather

Wind
170° / 8 kt
Visibility
6 SM
Ceiling
FEW 1,500 ft, SCT 4,000 ft
Temp / Dew
28°C / 22°C
Altimeter
29.70 inHg

Obs: 2026-07-14T14:30:00.000Z

Raw METAR / TAF 
METAR VHHH 141430Z 17008KT 120V210 9999 FEW015 SCT040 28/22 Q1006 NOSIG

TAF VHHH 141400Z 1415/1521 18010KT 9999 FEW015 SCT025 TX30/1506Z TN26/1422Z TEMPO 1416/1421 20020G30KT 2000 +SHRA FEW010CB SCT020 TEMPO 1421/1503 20020G30KT 1500 TSRA +SHRA FEW008CB SCT015 TEMPO 1503/1506 3000 SHRA FEW010CB SCT020

flight Live Traffic

flight_takeoff 12 Departures
flight_land 13 Arrivals

Arrival

SFO KSFO VFR

San Francisco International Airport

San Francisco, US

Local time
07:45 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
13 ft
Coordinates
37.6198, -122.3748

cloud Weather

Wind
280° / 6 kt
Visibility
10 SM
Ceiling
CLR
Temp / Dew
17°C / 13°C
Altimeter
29.97 inHg

Obs: 2026-07-14T13:56:00.000Z

Raw METAR / TAF 
METAR KSFO 141356Z 28006KT 10SM CLR 17/13 A2997 RMK AO2 SLP150 T01670128

TAF KSFO 141120Z 1412/1518 28007KT P6SM FEW150 FM141900 28015G25KT P6SM SKC FM150800 26009KT P6SM FEW007

warning FAA Advisories

  • Ground Delay: other (avg 45 minutes)

flight Live Traffic

flight_takeoff 141 Departures
flight_land 219 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-13 A2B8B8 HKG → SFO Jul 13, 14:51 UTCJul 14, 03:30 UTC12h 39m +21m -2m
2026-07-13 A2B8B8 - Jul 13, 14:55 UTCJul 14, 03:40 UTC12h 45m - -
2026-07-12 A2B8FE - Jul 12, 14:50 UTCJul 13, 03:20 UTC12h 30m - -
2026-07-11 A21656 - Jul 11, 15:45 UTCJul 12, 03:50 UTC12h 5m - -
2026-07-11 A21656 - Jul 11, 14:50 UTCJul 11, 15:05 UTC15m - -
2026-07-10 A2B8B8 HKG → SFO Jul 10, 14:51 UTCJul 11, 03:59 UTC13h 8m +21m -4m
2026-07-10 A2B8B8 - Jul 10, 14:50 UTCJul 10, 15:10 UTC20m - -
2026-07-09 A21633 HKG → SFO Jul 9, 14:51 UTCJul 10, 02:55 UTC12h 4m +21m -15m
2026-07-09 A21633 - Jul 9, 14:40 UTCJul 10, 03:00 UTC12h 20m - -
2026-07-08 A21656 - Jul 8, 14:55 UTCJul 9, 03:00 UTC12h 5m - -
2026-07-07 A2B8FE HKG → SFO Jul 7, 14:51 UTCJul 8, 03:08 UTC12h 17m +21m -8m
2026-07-07 A2B8FE - Jul 7, 15:05 UTCJul 8, 03:10 UTC12h 5m - -
2026-07-06 A290D0 HKG → SFO Jul 6, 14:51 UTCJul 7, 03:02 UTC12h 11m +21m -10m
2026-07-06 A290D0 HKG → SFO Jul 6, 14:51 UTCJul 7, 03:00 UTC12h 9m +21m -12m
2026-07-06 A290D0 - Jul 6, 14:50 UTCJul 6, 16:45 UTC1h 55m - -
2026-07-05 A1C7C1 - Jul 5, 14:40 UTCJul 6, 02:55 UTC12h 15m - -
2026-07-04 A21656 HKG → SFO Jul 4, 15:00 UTCJul 5, 03:05 UTC12h 5m - -
2026-07-04 A21656 HKG → SFO Jul 4, 14:51 UTCJul 5, 03:05 UTC12h 14m +21m -7m
2026-07-03 A1C82A HKG → SFO Jul 3, 14:51 UTCJul 4, 03:21 UTC12h 30m +21m -12m
2026-07-03 A1C82A - Jul 3, 15:05 UTCJul 4, 03:25 UTC12h 20m - -
2026-07-02 A21DC4 - Jul 2, 14:50 UTCJul 3, 02:40 UTC11h 50m - -
2026-07-01 A2B8DB - Jul 1, 15:15 UTCJul 2, 03:00 UTC11h 45m - -
2026-06-30 A28DC8 HKG → SFO Jun 30, 15:26 UTCJul 1, 03:50 UTC12h 24m +56m -11m
2026-06-30 A28DC8 - Jun 30, 15:30 UTCJun 30, 16:45 UTC1h 15m - -
2026-06-29 A2B8B8 HKG → SFO Jun 29, 14:51 UTCJun 30, 03:39 UTC12h 48m +21m +24m
2026-06-29 A2B8B8 HKG → SFO Jun 29, 14:54 UTCJun 30, 03:40 UTC12h 46m - -
2026-06-28 A1C82A HKG → SFO Jun 28, 14:51 UTCJun 29, 03:20 UTC12h 29m +21m +1m
2026-06-28 A1C82A - Jun 28, 14:45 UTCJun 29, 03:29 UTC12h 45m - -
2026-06-27 A2B8B8 HKG → SFO Jun 27, 15:00 UTCJun 28, 03:00 UTC12h 0m - -
2026-06-26 A1CAC9 HKG → SFO Jun 26, 14:51 UTCJun 27, 04:23 UTC13h 32m +21m +3m

Performance history

Flights tracked
165 showing last 30
Avg arrival delay
-4m
On-time arrival
92% 92% on time
Aircraft used
11

Monthly activity 4 months

Month Flights tracked
July 2026 22
June 2026 55
May 2026 49
April 2026 39

UAL878 frequently asked

Where does flight UAL878 fly?
UAL878 (UAL) flies from HKG to SFO. View the full route page.
How long is flight UAL878?
Based on observed flights, UAL878 takes on average 10h 52m from takeoff to landing.
How often does UAL878 fly?
UAL878 has been observed flying several times a week in our tracking data. We've recorded 165 flights under this callsign.
Is flight UAL878 usually on time?
Across recent flights, UAL878 arrives 4 minutes early on average. 92% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL878?
UAL878 has been operated by 11 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL878 live?
Yes. When UAL878 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.