UAL821
- Flight number
- UAL821
- Airline
- United Airlines (UAL)
- Route
- Suvarnabhumi Airport (BKK/VTBS) → Los Angeles International Airport (LAX/KLAX) At least one end of this route is not from our own observation.
- Observed take-off
- Last heard
- Aircraft
- N26952 · BOEING 787-9 Dreamliner
- Positions recorded
- 391 As of 2026-09-25 12:22 UTC
Source: observations by the map.flights community network of ADS-B receivers; times in UTC.