UAL1877
- Airline
- United Airlines (UAL)
- Route
- Denver International Airport (DEN/KDEN) → Seattle–Tacoma International Airport (SEA/KSEA)
- Observed take-off
- Observed landing
- Aircraft
- N27290 · B38M
- Positions recorded
- 1120
Source: observations by the map.flights community network of ADS-B receivers; times in UTC.