Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL838

Operated by United Airlines

Live map

Live map filtered to UAL838. Shown when the flight is currently airborne.

Route airports View route page →

Departure

NRT RJAA VFR

Narita International Airport

Narita, JP

Local time
14:27 GMT+9
Timezone
Asia/Tokyo
Type
Large Airport
Elevation
141 ft
Coordinates
35.7686, 140.3887

cloud Weather

Wind
160° / 13 kt
Visibility
6 SM
Ceiling
FEW 3,000 ft
Temp / Dew
26°C / 14°C
Altimeter
29.73 inHg

Obs: 2026-05-30T05:00:00.000Z

Raw METAR / TAF 
METAR RJAA 300500Z 16013KT 130V200 9999 FEW030 26/14 Q1007 NOSIG

TAF RJAA 292305Z 3000/3106 18010KT 9999 FEW030 TEMPO 3018/3021 4000 BR FEW003 BKN008

flight Live Traffic

flight_takeoff 17 Departures
flight_land 28 Arrivals

Arrival

SFO KSFO IFR

San Francisco International Airport

San Francisco, US

Local time
22:27 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
13 ft
Coordinates
37.6198, -122.3748

cloud Weather

Wind
290° / 13 kt
Visibility
10 SM
Ceiling
FEW 300 ft, BKN 800 ft, OVC 1,100 ft
Temp / Dew
13°C / 11°C
Altimeter
30.11 inHg

Obs: 2026-05-30T04:56:00.000Z

Raw METAR / TAF 
METAR KSFO 300456Z 29013KT 10SM FEW003 BKN008 OVC011 13/11 A3011 RMK AO2 SLP195 T01280106

TAF KSFO 300520Z 3006/3112 26009KT P6SM OVC008 FM301000 27006KT P6SM OVC012 FM301800 28012KT P6SM SKC FM302300 27022KT P6SM SKC FM310600 28012KT P6SM SKC

warning FAA Advisories

  • Ground Delay: low ceilings (avg 1 hour and 45 minutes)

flight Live Traffic

flight_takeoff 212 Departures
flight_land 247 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-05-30 A9D62E NRT → SFO May 30, 02:06 UTCMay 30, 02:45 UTC39m - -
2026-05-29 A2B8DB NRT → SFO May 29, 08:35 UTCMay 29, 17:35 UTC9h 0m - -
2026-05-29 A43EE8 NRT → SFO May 29, 02:10 UTCMay 29, 05:25 UTC3h 15m - -
2026-05-28 A21DC4 NRT → SFO May 28, 08:35 UTCMay 28, 17:15 UTC8h 40m - -
2026-05-28 A3A084 NRT → SFO May 28, 02:35 UTCMay 28, 06:00 UTC3h 25m - -
2026-05-27 A1C82A NRT → SFO May 27, 09:00 UTCMay 27, 09:30 UTC30m - -
2026-05-27 A1C82A NRT → SFO May 27, 09:11 UTCMay 27, 17:57 UTC8h 46m +66m +5m
2026-05-27 A1C82A NRT → SFO May 27, 09:11 UTCMay 27, 17:55 UTC8h 44m +66m +3m
2026-05-27 A126EC NRT → SFO May 27, 02:09 UTCMay 27, 05:35 UTC3h 25m - -
2026-05-26 A2B8DB NRT → SFO May 26, 08:39 UTCMay 26, 17:30 UTC8h 50m - -
2026-05-26 A2B8DB NRT → SFO May 26, 08:36 UTCMay 26, 17:26 UTC8h 50m +31m -5m
2026-05-26 A126EC NRT → SFO May 26, 02:04 UTCMay 26, 05:45 UTC3h 40m - -
2026-05-25 A290D0 NRT → SFO May 25, 08:25 UTCMay 25, 17:20 UTC8h 55m - -
2026-05-25 A3A084 NRT → SFO May 25, 02:00 UTCMay 25, 05:25 UTC3h 25m - -
2026-05-24 A2B8FE NRT → SFO May 24, 08:25 UTCMay 24, 17:20 UTC8h 55m - -
2026-05-24 A43EE8 NRT → SFO May 24, 02:10 UTCMay 24, 05:25 UTC3h 15m - -
2026-05-24 A43EE8 NRT → SFO May 24, 02:08 UTCMay 24, 05:20 UTC3h 12m +13m -18m
2026-05-23 A1F2B1 NRT → SFO May 23, 08:55 UTCMay 23, 17:40 UTC8h 45m - -
2026-05-23 A9D62E NRT → SFO May 23, 02:08 UTCMay 23, 05:03 UTC2h 55m +13m -8m
2026-05-23 A9D62E NRT → SFO May 23, 02:05 UTCMay 23, 05:10 UTC3h 4m - -
2026-05-22 A2659A NRT → SFO May 22, 08:55 UTCMay 22, 17:35 UTC8h 40m - -
2026-05-22 A2659A NRT → SFO May 22, 08:56 UTCMay 22, 17:25 UTC8h 29m +51m -4m
2026-05-22 A9D62E NRT → SFO May 22, 01:55 UTCMay 22, 05:10 UTC3h 15m - -
2026-05-21 A28DC8 NRT → SFO May 21, 08:40 UTCMay 21, 17:20 UTC8h 40m - -
2026-05-21 A126C6 NRT → SFO May 21, 02:00 UTCMay 21, 05:05 UTC3h 5m - -
2026-05-21 A126C6 NRT → SFO May 21, 02:08 UTCMay 21, 05:06 UTC2h 58m +13m -5m
2026-05-20 A1F622 NRT → SFO May 20, 08:15 UTCMay 20, 16:45 UTC8h 30m - -
2026-05-20 A43EE8 NRT → SFO May 20, 02:05 UTCMay 20, 05:20 UTC3h 16m - -
2026-05-19 A2B8FE NRT → SFO May 19, 08:30 UTCMay 19, 17:05 UTC8h 35m - -
2026-05-19 A2B8FE NRT → SFO May 19, 08:31 UTCMay 19, 16:57 UTC8h 26m +26m -9m

Performance history

Flights tracked
140 showing last 30
Avg arrival delay
-5m
On-time arrival
100% 100% on time
Aircraft used
14

Monthly activity 2 months

Month Flights tracked
May 2026 80
April 2026 60

UAL838 frequently asked

Where does flight UAL838 fly?
UAL838 (United Airlines) flies from NRT to SFO. View the full route page.
How long is flight UAL838?
Based on observed flights, UAL838 takes on average 5h 48m from takeoff to landing.
How often does UAL838 fly?
UAL838 has been observed flying several times a week in our tracking data. We've recorded 140 flights under this callsign.
Is flight UAL838 usually on time?
Across recent flights, UAL838 arrives 5 minutes early on average. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL838?
UAL838 has been operated by 14 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL838 live?
Yes. When UAL838 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.