Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL2831

Operated by UAL

Live map

Live map filtered to UAL2831. Shown when the flight is currently airborne.

Route airports View route page →

Departure

SEA KSEA MVFR

Seattle–Tacoma International Airport

Seattle, US

Local time
23:06 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
433 ft
Coordinates
47.4479, -122.3103

cloud Weather

Wind
170° / 8 kt
Visibility
10 SM
Ceiling
BKN 2,800 ft, BKN 4,600 ft
Temp / Dew
15°C / 6°C
Altimeter
30.22 inHg

Obs: 2026-10-14T05:53:00.000Z

Raw METAR / TAF 
METAR KSEA 140553Z 17008KT 10SM BKN028 BKN046 15/06 A3022 RMK AO2 SLP240 T01500061 10156 20150 55001

TAF KSEA 140520Z 1406/1512 16008KT P6SM SCT025 OVC030 FM140900 17006KT P6SM VCSH OVC025 FM141400 18005KT P6SM -SHRA SCT008 OVC015 FM141900 23006KT P6SM SCT020 OVC035 FM142300 32005KT P6SM SCT040 BKN080 FM150200 35005KT P6SM SCT050 FM151000 02005KT P6SM SCT025

flight Live Traffic

flight_takeoff 438 Departures
flight_land 491 Arrivals

Arrival

SFO KSFO VFR

San Francisco International Airport

San Francisco, US

Local time
23:06 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
13 ft
Coordinates
37.6198, -122.3748

cloud Weather

Wind
280° / 7 kt
Visibility
10 SM
Ceiling
FEW 20,000 ft
Temp / Dew
14°C / 9°C
Altimeter
30.10 inHg

Obs: 2026-10-14T05:56:00.000Z

Raw METAR / TAF 
METAR KSFO 140556Z 28007KT 10SM FEW200 14/09 A3010 RMK AO2 SLP192 T01440094 10217 20144 51008

TAF KSFO 140520Z 1406/1512 28006KT P6SM SKC FM140700 VRB05KT P6SM SKC FM142300 29012KT P6SM SKC FM150300 VRB03KT P6SM FEW010

flight Live Traffic

flight_takeoff 352 Departures
flight_land 254 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-26 A62825 SEA → SFO Jul 26, 16:08 UTCJul 26, 17:47 UTC1h 39m +23m -1m
2026-07-26 A62825 SEA → SFO Jul 26, 16:05 UTCJul 26, 17:15 UTC1h 10m - -
2026-07-25 A5D570 SEA → SFO Jul 25, 16:55 UTCJul 25, 18:45 UTC1h 50m - -
2026-07-24 A57B4D SEA → SFO Jul 24, 20:00 UTCJul 24, 21:50 UTC1h 50m - -
2026-07-23 A5BCCD SEA → SFO Jul 23, 16:15 UTCJul 23, 18:05 UTC1h 50m - -
2026-07-22 A5D570 SEA → SFO Jul 22, 16:10 UTCJul 22, 18:00 UTC1h 50m - -
2026-07-21 A60814 SEA → SFO Jul 21, 16:15 UTCJul 21, 18:00 UTC1h 45m - -
2026-07-20 A59F15 SEA → SFO Jul 20, 17:05 UTCJul 20, 19:00 UTC1h 55m - -
2026-07-19 A56661 SEA → SFO Jul 19, 17:05 UTCJul 19, 18:45 UTC1h 40m - -
2026-07-19 A56661 SEA → SFO Jul 19, 16:33 UTCJul 19, 18:42 UTC2h 9m +48m -39m
2026-07-18 A55EF3 SEA → SFO Jul 18, 16:30 UTCJul 18, 18:20 UTC1h 50m - -
2026-07-17 A5CA4B SEA → SFO Jul 17, 17:37 UTCJul 17, 19:24 UTC1h 47m +112m +93m
2026-07-17 A5CA4B SEA → SFO Jul 17, 17:44 UTCJul 17, 19:35 UTC1h 50m - -
2026-07-16 A533BD SEA → SFO Jul 16, 16:08 UTCJul 16, 18:18 UTC2h 10m +23m +31m
2026-07-16 A533BD - Jul 16, 16:30 UTCJul 16, 17:14 UTC45m - -
2026-07-15 A5CE02 SEA → SFO Jul 15, 16:25 UTCJul 15, 18:10 UTC1h 45m - -
2026-07-14 A524E1 SEA → SFO Jul 14, 16:10 UTCJul 14, 18:10 UTC2h 0m - -
2026-07-14 A524E1 SEA → SFO Jul 14, 16:08 UTCJul 14, 17:59 UTC1h 51m +23m +12m
2026-07-13 A5A2CC BFI → SFO Jul 13, 17:05 UTCJul 13, 18:55 UTC1h 50m - -
2026-07-13 A5A2CC SEA → SFO Jul 13, 17:03 UTCJul 13, 18:47 UTC1h 44m +78m +60m
2026-07-12 A5CE02 SEA → SFO Jul 12, 16:10 UTCJul 12, 18:01 UTC1h 50m - -
2026-07-11 A5CE02 SEA → SFO Jul 11, 16:18 UTCJul 11, 18:12 UTC1h 54m +33m +25m
2026-07-11 A5CE02 SEA → SFO Jul 11, 16:20 UTCJul 11, 18:15 UTC1h 55m - -
2026-07-10 A55017 SEA → SFO Jul 10, 16:05 UTCJul 10, 17:50 UTC1h 45m - -
2026-07-09 A5CE02 SEA → SFO Jul 9, 17:10 UTCJul 9, 18:55 UTC1h 45m - -
2026-07-08 A6045D SEA → SFO Jul 8, 19:05 UTCJul 8, 20:45 UTC1h 40m - -
2026-07-07 A55017 SEA → SFO Jul 7, 16:58 UTCJul 7, 18:38 UTC1h 40m +73m +51m
2026-07-07 A55017 SEA → SFO Jul 7, 16:55 UTCJul 7, 18:40 UTC1h 45m - -
2026-07-06 A6045D SEA → SFO Jul 6, 16:38 UTCJul 6, 18:24 UTC1h 46m +53m +37m
2026-07-06 A6045D SEA → SFO Jul 6, 16:40 UTCJul 6, 18:35 UTC1h 55m - -

Performance history

Flights tracked
94 showing last 30
Avg arrival delay
+30m
On-time arrival
33% 33% on time
Aircraft used
15

Monthly activity 3 months

Month Flights tracked
July 2026 35
June 2026 45
May 2026 14

UAL2831 frequently asked

Where does flight UAL2831 fly?
UAL2831 (UAL) flies from SEA to SFO. View the full route page.
How long is flight UAL2831?
Based on observed flights, UAL2831 takes on average 1h 46m from takeoff to landing.
How often does UAL2831 fly?
UAL2831 has been observed flying several times a week in our tracking data. We've recorded 94 flights under this callsign.
Is flight UAL2831 usually on time?
Across recent flights, UAL2831 arrives with an average 30-minute delay. 33% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL2831?
UAL2831 has been operated by 15 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL2831 live?
Yes. When UAL2831 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.