Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL837

Operated by United Airlines

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
09:06 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
13 ft
Coordinates
37.6198, -122.3748

cloud Weather

Wind
290° / 11 kt
Visibility
10 SM
Ceiling
FEW 400 ft, BKN 12,000 ft, OVC 20,000 ft
Temp / Dew
16°C / 13°C
Altimeter
30.00 inHg

Obs: 2026-08-28T15:56:00.000Z

Raw METAR / TAF 
METAR KSFO 281556Z 29011KT 10SM FEW004 BKN120 OVC200 16/13 A3000 RMK AO2 RAE05 SLP160 P0000 T01610133

TAF KSFO 281447Z 2815/2918 28009KT P6SM VCSH OVC150 FM282000 28016KT P6SM OVC100 FM291000 27011KT P6SM SCT010

Arrival

NRT RJAA VFR

Narita International Airport

Narita, JP

Local time
01:06 GMT+9
Timezone
Asia/Tokyo
Type
Large Airport
Elevation
141 ft
Coordinates
35.7686, 140.3887

cloud Weather

Wind
60° / 5 kt
Visibility
6 SM
Ceiling
CLR
Temp / Dew
26°C / 20°C
Altimeter
29.82 inHg

Obs: 2026-08-28T15:30:00.000Z

Raw METAR / TAF 
METAR RJAA 281530Z AUTO 06005KT 9999 NSC 26/20 Q1010 BECMG 05005KT

TAF RJAA 281105Z 2812/2918 07005KT 9999 FEW020 SCT040 BECMG 2812/2814 05004KT BECMG 2903/2906 08006KT BECMG 2909/2912 03006KT

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 (United Airlines) 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.