UAL857

Flight number

UAL857

Airline

United Airlines (UAL)

Route

San Francisco International Airport (SFO/KSFO) → Shanghai Pudong International Airport (PVG/ZSPD) At least one end of this route is not from our own observation.

Observed take-off

2026-10-01 20:44 UTC

Last heard

2026-10-01 21:05 UTC

Aircraft

N2142U · BOEING 777-300ER

Positions recorded

190 As of 2026-10-01 21:05 UTC

Source: observations by the map.flights community network of ADS-B receivers; times in UTC.