Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL878

Operated by UAL

Live map

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

Route airports View route page →

Departure

HKG VHHH VFR

Hong Kong International Airport

Hong Kong, HK

Local time
09:34 GMT+8
Timezone
Asia/Hong_Kong
Type
Large Airport
Elevation
28 ft
Coordinates
22.3118, 113.9149

cloud Weather

Wind
VRB / 3 kt
Visibility
6 SM
Ceiling
FEW 3,000 ft
Temp / Dew
29°C / 22°C
Altimeter
30.06 inHg

Obs: 2026-10-13T01:00:00.000Z

Raw METAR / TAF 
METAR VHHH 130100Z VRB03KT 9999 FEW030 29/22 Q1018 BECMG 27010KT

TAF VHHH 122300Z 1300/1406 12010KT 9999 FEW040 TX32/1306Z TX31/1406Z TN26/1322Z BECMG 1302/1304 27010KT BECMG 1309/1311 10010KT TEMPO 1318/1324 VRB05KT

flight Live Traffic

flight_takeoff 11 Departures
flight_land 9 Arrivals

Arrival

SFO KSFO VFR

San Francisco International Airport

San Francisco, US

Local time
18:34 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
13 ft
Coordinates
37.6198, -122.3748

cloud Weather

Wind
270° / 10 kt
Visibility
10 SM
Ceiling
FEW 2,600 ft
Temp / Dew
18°C / 9°C
Altimeter
29.90 inHg

Obs: 2026-10-13T00:56:00.000Z

Raw METAR / TAF 
METAR KSFO 130056Z 27010KT 10SM FEW026 18/09 A2990 RMK AO2 SLP126 T01830089 $

TAF KSFO 122320Z 1300/1406 28012KT P6SM SKC FM130300 28006KT P6SM SKC FM131400 08004KT P6SM SKC FM132000 32011KT P6SM SKC FM140400 28007KT P6SM SKC

flight Live Traffic

flight_takeoff 217 Departures
flight_land 254 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-26 A2E014 HKG → SFO Jul 26, 15:25 UTCJul 26, 17:25 UTC2h 0m - -
2026-07-25 A1F5FF HKG → SFO Jul 25, 16:55 UTCJul 26, 03:20 UTC10h 25m - -
2026-07-25 A1F5FF HKG → SFO Jul 25, 14:50 UTCJul 25, 15:05 UTC15m - -
2026-07-25 A1F5FF HKG → SFO Jul 25, 14:51 UTCJul 26, 03:14 UTC12h 23m +21m +1m
2026-07-24 A1C7E4 HKG → SFO Jul 24, 14:51 UTCJul 25, 03:25 UTC12h 34m +21m -4m
2026-07-24 A1C7E4 HKG → SFO Jul 24, 14:51 UTCJul 25, 03:32 UTC12h 41m +21m +3m
2026-07-24 A1C7E4 HKG → SFO Jul 24, 14:55 UTCJul 24, 18:40 UTC3h 45m - -
2026-07-23 A21679 HKG → SFO Jul 23, 14:55 UTCJul 23, 16:05 UTC1h 10m - -
2026-07-23 A21679 HKG → SFO Jul 23, 14:51 UTCJul 24, 03:12 UTC12h 21m +21m -14m
2026-07-22 A1C7C1 HKG → SFO Jul 22, 15:00 UTCJul 23, 03:35 UTC12h 35m - -
2026-07-21 A1C82A HKG → SFO Jul 21, 14:51 UTCJul 22, 03:16 UTC12h 25m +21m -7m
2026-07-21 A1C82A HKG → SFO Jul 21, 14:51 UTCJul 22, 03:02 UTC12h 11m +21m -21m
2026-07-21 A1C82A HKG → SFO Jul 21, 14:45 UTCJul 21, 15:55 UTC1h 10m - -
2026-07-20 A2B8B8 HKG → SFO Jul 20, 14:50 UTCJul 20, 18:00 UTC3h 10m - -
2026-07-20 A2B8B8 HKG → SFO Jul 20, 14:51 UTCJul 21, 03:28 UTC12h 37m +21m -16m
2026-07-20 A2B8B8 HKG → SFO Jul 20, 14:51 UTCJul 21, 03:14 UTC12h 23m +21m -30m
2026-07-19 A2B8DB HKG → SFO Jul 19, 14:51 UTCJul 20, 03:25 UTC12h 34m +21m -3m
2026-07-19 A2B8DB HKG → SFO Jul 19, 14:50 UTCJul 20, 03:25 UTC12h 35m - -
2026-07-19 A2B8DB HKG → SFO Jul 19, 14:51 UTCJul 20, 03:23 UTC12h 32m +21m -5m
2026-07-18 A219EA HKG → SFO Jul 18, 14:51 UTCJul 19, 03:15 UTC12h 24m +21m -3m
2026-07-18 A219EA HKG → SFO Jul 18, 14:45 UTCJul 19, 03:20 UTC12h 35m - -
2026-07-17 A1C7C1 HKG → SFO Jul 17, 14:51 UTCJul 18, 03:23 UTC12h 32m +21m -4m
2026-07-17 A1C7C1 - Jul 17, 14:50 UTCJul 17, 18:34 UTC3h 45m - -
2026-07-16 A2659A HKG → SFO Jul 16, 14:51 UTCJul 17, 03:36 UTC12h 45m +21m +5m
2026-07-15 A21679 HKG → SFO Jul 15, 14:50 UTCJul 16, 03:30 UTC12h 40m - -
2026-07-14 A1CAC9 HKG → SFO Jul 14, 14:55 UTCJul 15, 03:25 UTC12h 29m - -
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 - -

Performance history

Flights tracked
191 showing last 30
Avg arrival delay
-7m
On-time arrival
100% 100% on time
Aircraft used
13

Monthly activity 4 months

Month Flights tracked
July 2026 48
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 2m 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 191 flights under this callsign.
Is flight UAL878 usually on time?
Across recent flights, UAL878 arrives 7 minutes early on average. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL878?
UAL878 has been operated by 13 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.