UAL3877
- Airline
- United Airlines (UAL)
- Route
- Newark Liberty International Airport (EWR/KEWR) →
- Observed take-off
- Last heard
- Aircraft
- N29971 · BOEING 787-9 Dreamliner
- Positions recorded
- 4068 As of 2026-09-28 07:35 UTC
Source: observations by the map.flights community network of ADS-B receivers; times in UTC.