UAL878
- Flight number
- UAL878
- Airline
- United Airlines (UAL)
- Route
- Hong Kong International Airport (HKG/VHHH) → San Francisco International Airport (SFO/KSFO) At least one end of this route is not from our own observation.
- Last heard
- Aircraft
- N2331U · BOEING 777-300ER
- Positions recorded
- 655 As of 2026-10-04 18:22 UTC
Source: observations by the map.flights community network of ADS-B receivers; times in UTC.