Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL643

Operated by UAL

Live map

Live map filtered to UAL643. 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
10:45 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
13 ft
Coordinates
37.6198, -122.3748

cloud Weather

Wind
0° / 0 kt
Visibility
10 SM
Ceiling
CLR
Temp / Dew
16°C / 12°C
Altimeter
30.09 inHg

Obs: 2026-10-13T16:56:00.000Z

Raw METAR / TAF 
METAR KSFO 131656Z 00000KT 10SM CLR 16/12 A3009 RMK AO2 SLP188 T01560122

TAF KSFO 131724Z 1318/1424 06005KT P6SM FEW010 FM132000 29012KT P6SM SKC FM140400 28006KT P6SM SKC FM140700 VRB05KT P6SM SKC FM142300 29012KT P6SM SKC

flight Live Traffic

flight_takeoff 194 Departures
flight_land 201 Arrivals

Arrival

SNA KSNA VFR

John Wayne Orange County International Airport

Santa Ana, US

Local time
10:45 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
56 ft
Coordinates
33.6751, -117.8693

cloud Weather

Wind
0° / 0 kt
Visibility
10 SM
Ceiling
FEW 2,500 ft, FEW 5,000 ft
Temp / Dew
19°C / 9°C
Altimeter
30.01 inHg

Obs: 2026-10-13T16:53:00.000Z

Raw METAR / TAF 
METAR KSNA 131653Z 00000KT 10SM FEW025 FEW050 19/09 A3001 RMK AO2 SLP160 T01940094

TAF KSNA 131720Z 1318/1418 VRB04KT P6SM FEW050 FM131900 22009KT P6SM SKC FM140200 VRB04KT P6SM SKC FM140600 06003KT P6SM SKC

warning FAA Advisories

  • Closed: !SNA 10/016 SNA AD AP CLSD DLY 0630-1315 2610130630-2610171315 (Oct 13 at 06:30 UTC. – Oct 17 at 13:15 UTC.)

flight Live Traffic

flight_takeoff 77 Departures
flight_land 56 Arrivals

UAL643 frequently asked

Where does flight UAL643 fly?
UAL643 (UAL) flies from SFO to SNA. View the full route page.
How often does UAL643 fly?
UAL643 has been observed flying rarely in our tracking data. We've recorded 0 flights under this callsign.
Can I track UAL643 live?
Yes. When UAL643 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.