Apparatus

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flight_takeoff Flight

UAL3863

Operated by United Airlines

Live map

Live map filtered to UAL3863. Shown when the flight is currently airborne.

Route airports View route page →

Departure

SJC KSJC VFR

Norman Y. Mineta San Jose International Airport

San Jose, US

Local time
17:44 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
62 ft
Coordinates
37.3625, -121.9292

cloud Weather

Wind
320° / 11 kt
Visibility
10 SM
Ceiling
FEW 8,000 ft, BKN 14,000 ft
Temp / Dew
24°C / 13°C
Altimeter
29.96 inHg

Obs: 2026-08-28T23:53:00.000Z

Raw METAR / TAF 
METAR KSJC 282353Z 32011KT 10SM FEW080 BKN140 24/13 A2996 RMK AO2 SLP145 T02390133 10239 20194 58018

TAF KSJC 282335Z 2900/2924 32010KT P6SM BKN120 FM290300 33006KT P6SM FEW120 FM291200 32003KT P6SM SCT010 FM291800 32012KT P6SM SKC

flight Live Traffic

flight_takeoff 49 Departures
flight_land 39 Arrivals

Arrival

SFO KSFO VFR

San Francisco International Airport

San Francisco, US

Local time
17:44 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
13 ft
Coordinates
37.6198, -122.3748

cloud Weather

Wind
260° / 19 kt
Visibility
10 SM
Ceiling
FEW 400 ft, SCT 1,200 ft, BKN 18,000 ft, BKN 20,000 ft
Temp / Dew
17°C / 13°C
Altimeter
29.99 inHg

Obs: 2026-08-28T23:56:00.000Z

Raw METAR / TAF 
METAR KSFO 282356Z 26019KT 10SM FEW004 SCT012 BKN180 BKN200 17/13 A2999 RMK AO2 PK WND 26026/2316 SLP155 T01720128 10183 20161 56014 $

TAF KSFO 282335Z 2900/3006 28016KT P6SM VCSH FEW012 BKN150 FM290300 28014KT P6SM FEW012 TEMPO 2904/2908 BKN012 FM290800 29008KT P6SM OVC012 FM291800 29015G25KT P6SM FEW015 FM300400 27015KT P6SM SCT010

flight Live Traffic

flight_takeoff 180 Departures
flight_land 164 Arrivals

Recent history last 8

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-20 AA3AE2 SJC → SFO Jul 20, 17:35 UTCJul 20, 22:10 UTC4h 35m - -
2026-07-08 A416BE SJC → SFO Jul 8, 23:30 UTCJul 8, 23:45 UTC15m - -
2026-07-08 A416BE SJC → SFO Jul 8, 23:05 UTCJul 8, 23:47 UTC42m +125m +73m
2026-06-26 A5E44C SJC → SFO Jun 26, 17:17 UTCJun 26, 18:16 UTC59m +17m +22m
2026-06-26 A5E44C SJC → SFO Jun 26, 16:54 UTCJun 26, 18:20 UTC1h 25m - -
2026-06-09 A3CF6D SJC → SFO Jun 9, 19:10 UTCJun 9, 20:05 UTC55m - -
2026-05-18 A330A0 SJC → SFO May 18, 17:20 UTCMay 18, 21:05 UTC3h 44m - -
2026-04-20 A12734 SJC → SFO Apr 20, 00:00 UTCApr 20, 00:25 UTC25m - -

Performance history

Flights tracked
8
Avg arrival delay
+48m
On-time arrival
0% 0% on time
Aircraft used
6

Monthly activity 4 months

Month Flights tracked
July 2026 3
June 2026 3
May 2026 1
April 2026 1

UAL3863 frequently asked

Where does flight UAL3863 fly?
UAL3863 (United Airlines) flies from SJC to SFO. View the full route page.
How long is flight UAL3863?
Based on observed flights, UAL3863 takes on average 1h 38m from takeoff to landing.
How often does UAL3863 fly?
UAL3863 has been observed flying several times a week in our tracking data. We've recorded 8 flights under this callsign.
Is flight UAL3863 usually on time?
Across recent flights, UAL3863 arrives with an average 48-minute delay. 0% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL3863?
UAL3863 has been operated by 6 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL3863 live?
Yes. When UAL3863 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.