Apparatus

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flight_takeoff Flight

UAL857

Operated by UAL

Live map

Live map filtered to UAL857. 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
19:12 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
13 ft
Coordinates
37.6198, -122.3748

cloud Weather

Wind
290° / 19 kt
Visibility
10 SM
Ceiling
FEW 2,800 ft
Temp / Dew
13°C / 7°C
Altimeter
30.15 inHg

Obs: 2026-04-15T01:56:00.000Z

Raw METAR / TAF 
METAR KSFO 150156Z 29019KT 10SM FEW028 13/07 A3015 RMK AO2 SLP210 T01330067 $

TAF KSFO 142320Z 1500/1606 28015KT P6SM SCT025 FM150800 27011KT P6SM SCT025 BKN150 FM151800 27018KT P6SM BKN150

flight Live Traffic

flight_takeoff 229 Departures
flight_land 235 Arrivals

Arrival

PVG ZSPD MVFR

Shanghai Pudong International Airport

Shanghai (Pudong), CN

Local time
10:12 GMT+8
Timezone
Asia/Shanghai
Type
Large Airport
Elevation
13 ft
Coordinates
31.1434, 121.8050

cloud Weather

Wind
20° / 8 kt
Visibility
6 SM
Ceiling
BKN 1,000 ft
Temp / Dew
16°C / 15°C
Altimeter
29.97 inHg

Obs: 2026-04-15T02:00:00.000Z

Raw METAR / TAF 
METAR ZSPD 150200Z 02004MPS 350V060 9999 BKN010 16/15 Q1015 BECMG TL0350 BKN015

TAF ZSPD 142109Z 1500/1606 04004MPS 6000 BKN020 TX20/1506Z TX20/1606Z TN15/1521Z BECMG 1520/1521 10004MPS

flight Live Traffic

flight_takeoff 9 Departures
flight_land 11 Arrivals

Recent history last 5

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-04-14 A21633 - Apr 14, 07:10 UTCApr 14, 08:15 UTC1h 5m - -
2026-04-14 A21633 - Apr 14, 06:15 UTCApr 14, 07:10 UTC55m - -
2026-04-13 A21633 - Apr 13, 20:22 UTCApr 14, 09:12 UTC12h 50m +27m +13m
2026-04-13 A219EA - Apr 13, 07:55 UTCApr 13, 08:25 UTC30m - -
2026-04-13 A219EA - Apr 13, 06:30 UTCApr 13, 08:15 UTC1h 45m - -

Performance history

Flights tracked
5
Avg arrival delay
+13m
On-time arrival
100% 100% on time
Aircraft used
2

Monthly activity 1 month

Month Flights tracked
April 2026 5

UAL857 frequently asked

Where does flight UAL857 fly?
UAL857 (UAL) flies from SFO to PVG. View the full route page.
How long is flight UAL857?
Based on observed flights, UAL857 takes on average 3h 25m from takeoff to landing.
How often does UAL857 fly?
UAL857 has been observed flying occasionally in our tracking data. We've recorded 5 flights under this callsign.
Is flight UAL857 usually on time?
Across recent flights, UAL857 arrives with an average 13-minute delay. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL857?
UAL857 has been operated by 2 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL857 live?
Yes. When UAL857 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.