Apparatus

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flight_takeoff Flight

UAL4203

Live map

Live map filtered to UAL4203. 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
02:56 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
13 ft
Coordinates
37.6198, -122.3748

cloud Weather

Wind
270° / 4 kt
Visibility
10 SM
Ceiling
BKN 20,000 ft
Temp / Dew
17°C / 13°C
Altimeter
29.95 inHg

Obs: 2026-07-14T08:56:00.000Z

Raw METAR / TAF 
METAR KSFO 140856Z 27004KT 10SM BKN200 17/13 A2995 RMK AO2 SLP141 T01670128 56002

TAF KSFO 140849Z 1409/1512 28007KT P6SM FEW200 FM141900 28015G25KT P6SM FEW200 FM150800 26008KT P6SM FEW010

flight Live Traffic

flight_takeoff 139 Departures
flight_land 84 Arrivals

Arrival

SFO KSFO VFR

San Francisco International Airport

San Francisco, US

Local time
02:56 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
13 ft
Coordinates
37.6198, -122.3748

cloud Weather

Wind
270° / 4 kt
Visibility
10 SM
Ceiling
BKN 20,000 ft
Temp / Dew
17°C / 13°C
Altimeter
29.95 inHg

Obs: 2026-07-14T08:56:00.000Z

Raw METAR / TAF 
METAR KSFO 140856Z 27004KT 10SM BKN200 17/13 A2995 RMK AO2 SLP141 T01670128 56002

TAF KSFO 140849Z 1409/1512 28007KT P6SM FEW200 FM141900 28015G25KT P6SM FEW200 FM150800 26008KT P6SM FEW010

flight Live Traffic

flight_takeoff 139 Departures
flight_land 84 Arrivals

Recent history last 14

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-13 A14700 SFO → SFO Jul 13, 22:22 UTCJul 13, 23:22 UTC1h 0m +142m -
2026-07-13 A14700 - Jul 13, 22:20 UTCJul 13, 23:25 UTC1h 5m - -
2026-06-25 A0AD1B - Jun 25, 14:04 UTCJun 25, 15:34 UTC1h 30m - -
2026-06-19 A43E5E - Jun 19, 17:59 UTCJun 19, 18:44 UTC45m - -
2026-06-09 AA8A26 MIA → IAH Jun 9, 01:50 UTCJun 9, 02:20 UTC30m - -
2026-06-09 AA8A26 MIA → IAH Jun 9, 00:40 UTCJun 9, 00:55 UTC15m - -
2026-05-18 A46D4E MIA → IAH May 18, 19:40 UTCMay 18, 20:15 UTC35m - -
2026-05-01 A11F9D MIA → IAH May 1, 10:05 UTCMay 1, 16:40 UTC6h 35m - -
2026-05-01 A11F9D MIA → IAH May 1, 10:17 UTCMay 1, 16:40 UTC6h 23m +17m +7m
2026-04-27 AAA125 MIA → IAH Apr 27, 03:00 UTCApr 27, 03:50 UTC50m - -
2026-04-23 A16E7D MIA → IAH Apr 23, 21:25 UTCApr 23, 22:25 UTC1h 0m - -
2026-04-17 A0AD3E MIA → IAH Apr 17, 13:30 UTCApr 17, 15:15 UTC1h 44m - -
2026-04-12 A747CB - Apr 12, 16:12 UTCApr 12, 23:05 UTC6h 53m +282m +7m
2026-04-12 A747CB - Apr 12, 17:15 UTCApr 12, 17:45 UTC30m - -

Performance history

Flights tracked
14
Avg arrival delay
+7m
On-time arrival
100% 100% on time
Aircraft used
10

Monthly activity 4 months

Month Flights tracked
July 2026 2
June 2026 4
May 2026 3
April 2026 5

UAL4203 frequently asked

Where does flight UAL4203 fly?
UAL4203 flies from SFO to SFO. View the full route page.
How long is flight UAL4203?
Based on observed flights, UAL4203 takes on average 2h 7m from takeoff to landing.
How often does UAL4203 fly?
UAL4203 has been observed flying several times a week in our tracking data. We've recorded 14 flights under this callsign.
Is flight UAL4203 usually on time?
Across recent flights, UAL4203 arrives with an average 7-minute delay. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL4203?
UAL4203 has been operated by 10 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL4203 live?
Yes. When UAL4203 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.