Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL3910

Operated by United Airlines

Live map

Live map filtered to UAL3910. 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
09:41 GMT+8
Timezone
Asia/Hong_Kong
Type
Large Airport
Elevation
28 ft
Coordinates
22.3118, 113.9149

cloud Weather

Wind
50° / 7 kt
Visibility
6 SM
Ceiling
FEW 2,500 ft
Temp / Dew
32°C / 24°C
Altimeter
29.85 inHg

Obs: 2026-05-30T01:30:00.000Z

Raw METAR / TAF 
METAR VHHH 300130Z 05007KT 9999 FEW025 32/24 Q1011 NOSIG

TAF VHHH 292300Z 3000/3106 08010KT 9999 FEW015 TX33/3006Z TX32/3106Z TN28/3022Z TEMPO 3003/3009 25010KT TEMPO 3009/3013 3500 SHRA FEW010CB SCT020

flight Live Traffic

flight_takeoff 11 Departures
flight_land 9 Arrivals

Arrival

SFO KSFO MVFR

San Francisco International Airport

San Francisco, US

Local time
18:41 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
13 ft
Coordinates
37.6198, -122.3748

cloud Weather

Wind
270° / 14G20 kt
Visibility
10 SM
Ceiling
FEW 400 ft, BKN 1,800 ft, BKN 3,700 ft
Temp / Dew
16°C / 11°C
Altimeter
30.08 inHg

Obs: 2026-05-30T00:56:00.000Z

Raw METAR / TAF 
METAR KSFO 300056Z 27014G20KT 10SM FEW004 BKN018 BKN037 16/11 A3008 RMK AO2 SLP186 T01560111

TAF KSFO 292320Z 3000/3106 27012KT P6SM BKN025 FM300400 26010KT P6SM OVC010 FM300900 26005KT P6SM BKN015 FM301700 29010KT P6SM SKC FM302000 28018KT P6SM SKC

warning FAA Advisories

  • Ground Delay: low ceilings (avg 1 hour and 5 minutes)

flight Live Traffic

flight_takeoff 251 Departures
flight_land 268 Arrivals

Recent history last 14

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-05-29 AB329E HKG → SFO May 29, 17:45 UTCMay 29, 19:30 UTC1h 45m - -
2026-05-24 A288FF HKG → SFO May 24, 02:50 UTCMay 24, 06:45 UTC3h 55m - -
2026-05-24 A288FF HKG → SFO May 24, 02:48 UTCMay 24, 06:48 UTC4h 0m +378m -4m
2026-05-11 A8C88F HKG → SFO May 11, 22:05 UTCMay 11, 22:35 UTC29m - -
2026-05-08 AA7E99 HKG → SFO May 8, 05:20 UTCMay 8, 05:39 UTC20m - -
2026-05-05 A43EC9 HKG → SFO May 5, 22:25 UTCMay 6, 01:45 UTC3h 20m - -
2026-04-29 A4943F HKG → SFO Apr 29, 21:30 UTCApr 30, 00:57 UTC3h 27m +30m +9m
2026-04-29 A4943F HKG → SFO Apr 29, 21:25 UTCApr 30, 01:00 UTC3h 34m - -
2026-04-26 A54650 HKG → SFO Apr 26, 15:40 UTCApr 26, 17:10 UTC1h 30m - -
2026-04-26 A54650 HKG → SFO Apr 26, 15:16 UTCApr 26, 17:02 UTC1h 46m +14m -8m
2026-04-23 AB19FB HKG → SFO Apr 23, 16:15 UTCApr 23, 16:40 UTC25m - -
2026-04-23 AB19FB HKG → SFO Apr 23, 16:14 UTCApr 23, 16:41 UTC27m +14m -4m
2026-04-18 AC0B7F HKG → SFO Apr 18, 17:35 UTCApr 18, 20:10 UTC2h 35m - -
2026-04-15 A54299 HKG → SFO Apr 15, 11:00 UTCApr 15, 11:55 UTC55m - -

Performance history

Flights tracked
14
Avg arrival delay
-2m
On-time arrival
100% 100% on time
Aircraft used
10

Monthly activity 2 months

Month Flights tracked
May 2026 6
April 2026 8

UAL3910 frequently asked

Where does flight UAL3910 fly?
UAL3910 (United Airlines) flies from HKG to SFO. View the full route page.
How long is flight UAL3910?
Based on observed flights, UAL3910 takes on average 2h 2m from takeoff to landing.
How often does UAL3910 fly?
UAL3910 has been observed flying several times a week in our tracking data. We've recorded 14 flights under this callsign.
Is flight UAL3910 usually on time?
Across recent flights, UAL3910 arrives 2 minutes early on average. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL3910?
UAL3910 has been operated by 10 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL3910 live?
Yes. When UAL3910 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.