Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL837

Operated by UAL

Live map

Live map filtered to UAL837. Shown when the flight is currently airborne.

Route airports View route page →

Departure

SFO KSFO VFR

San Francisco International Airport

San Francisco, US

Local time
16:56 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
13 ft
Coordinates
37.6198, -122.3748

cloud Weather

Wind
280° / 9 kt
Visibility
10 SM
Ceiling
FEW 2,600 ft
Temp / Dew
19°C / 8°C
Altimeter
29.90 inHg

Obs: 2026-10-12T22:56:00.000Z

Raw METAR / TAF 
METAR KSFO 122256Z 28009KT 10SM FEW026 19/08 A2990 RMK AO2 SLP124 T01940083 $

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 262 Departures
flight_land 246 Arrivals

Arrival

NRT RJAA MVFR

Narita International Airport

Narita, JP

Local time
08:56 GMT+9
Timezone
Asia/Tokyo
Type
Large Airport
Elevation
141 ft
Coordinates
35.7686, 140.3887

cloud Weather

Wind
350° / 8 kt
Visibility
6 SM
Ceiling
BKN 1,300 ft, BKN 6,000 ft
Temp / Dew
20°C / 17°C
Altimeter
30.03 inHg
Wx
VCSH

Obs: 2026-10-12T23:30:00.000Z

Raw METAR / TAF 
METAR RJAA 122330Z 35008KT 9999 VCSH BKN013 BKN060 20/17 Q1017 BECMG FEW008 BKN015

TAF RJAA 122305Z 1300/1406 02012KT 9999 FEW005 BKN012 BECMG 1315/1318 21008KT TEMPO 1318/1321 2000 BR TEMPO 1403/1406 4000 -TSRA BR FEW005 BKN008 FEW015CB BECMG 1403/1406 36006KT

flight Live Traffic

flight_takeoff 4 Departures
flight_land 33 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-26 A21656 SFO → NRT Jul 26, 19:55 UTCJul 26, 20:25 UTC30m - -
2026-07-26 A126C6 SFO → NRT Jul 26, 09:10 UTCJul 26, 12:20 UTC3h 10m - -
2026-07-26 A126C6 SFO → NRT Jul 26, 09:22 UTCJul 26, 12:18 UTC2h 56m +27m +1m
2026-07-25 A1C82A SFO → NRT Jul 25, 19:52 UTCJul 26, 05:35 UTC9h 43m +27m -18m
2026-07-25 A1C82A SFO → NRT Jul 25, 19:50 UTCJul 26, 05:40 UTC9h 50m - -
2026-07-25 A1270B SFO → NRT Jul 25, 09:20 UTCJul 25, 10:40 UTC1h 20m - -
2026-07-25 A1270B SFO → NRT Jul 25, 09:22 UTCJul 25, 12:33 UTC3h 11m +27m -10m
2026-07-24 A2E014 SFO → NRT Jul 24, 20:10 UTCJul 25, 05:45 UTC9h 35m - -
2026-07-24 A126C6 SFO → NRT Jul 24, 09:25 UTCJul 24, 12:45 UTC3h 20m - -
2026-07-23 A28DC8 SFO → NRT Jul 23, 20:20 UTCJul 24, 05:50 UTC9h 30m - -
2026-07-23 A2B416 SFO → NRT Jul 23, 09:15 UTCJul 23, 12:25 UTC3h 10m - -
2026-07-22 A21656 SFO → NRT Jul 22, 20:20 UTCJul 23, 06:00 UTC9h 40m - -
2026-07-22 A126CC NRT → KHH Jul 22, 09:52 UTCJul 22, 12:55 UTC3h 3m +57m -1m
2026-07-21 A1CAC9 SFO → NRT Jul 21, 19:58 UTCJul 22, 05:46 UTC9h 48m +33m -7m
2026-07-21 A1CAC9 - Jul 21, 20:00 UTCJul 22, 05:25 UTC9h 25m - -
2026-07-21 A9D605 NRT → KHH Jul 21, 09:22 UTCJul 21, 12:36 UTC3h 14m +27m +1m
2026-07-20 A1C7E4 - Jul 20, 20:00 UTCJul 21, 06:00 UTC10h 0m - -
2026-07-20 A126C9 - Jul 20, 10:30 UTCJul 20, 12:30 UTC2h 0m - -
2026-07-20 A126C9 - Jul 20, 09:10 UTCJul 20, 10:25 UTC1h 15m - -
2026-07-19 A2659A - Jul 19, 20:20 UTCJul 20, 06:00 UTC9h 40m - -
2026-07-19 A2659A SFO → NRT Jul 19, 20:02 UTCJul 20, 05:53 UTC9h 51m +37m -21m
2026-07-19 A126C6 - Jul 19, 09:15 UTCJul 19, 12:35 UTC3h 20m - -
2026-07-18 A2B8B8 SFO → NRT Jul 18, 19:52 UTCJul 19, 05:31 UTC9h 39m +27m -6m
2026-07-18 A2B8B8 - Jul 18, 19:55 UTCJul 19, 05:35 UTC9h 40m - -
2026-07-18 A126C6 - Jul 18, 09:15 UTCJul 18, 12:25 UTC3h 10m - -
2026-07-18 A126C6 NRT → KHH Jul 18, 09:22 UTCJul 18, 12:21 UTC2h 59m +27m +1m
2026-07-17 A21DC4 - Jul 17, 20:00 UTCJul 18, 05:40 UTC9h 41m - -
2026-07-17 A3A082 - Jul 17, 09:15 UTCJul 17, 12:30 UTC3h 15m - -
2026-07-17 A3A082 NRT → KHH Jul 17, 09:22 UTCJul 17, 12:25 UTC3h 3m +27m on time
2026-07-16 A219EA SFO → NRT Jul 16, 19:55 UTCJul 17, 05:39 UTC9h 45m - -

Performance history

Flights tracked
304 showing last 30
Avg arrival delay
-6m
On-time arrival
100% 100% on time
Aircraft used
17

Monthly activity 4 months

Month Flights tracked
July 2026 73
June 2026 76
May 2026 91
April 2026 64

UAL837 frequently asked

Where does flight UAL837 fly?
UAL837 (UAL) flies from SFO to NRT. View the full route page.
How long is flight UAL837?
Based on observed flights, UAL837 takes on average 5h 57m from takeoff to landing.
How often does UAL837 fly?
UAL837 has been observed flying several times a week in our tracking data. We've recorded 304 flights under this callsign.
Is flight UAL837 usually on time?
Across recent flights, UAL837 arrives 6 minutes early on average. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL837?
UAL837 has been operated by 17 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL837 live?
Yes. When UAL837 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.