UAL3900
- Airline
- United Airlines (UAL)
- Route
- Chicago O'Hare International Airport (ORD/KORD) → Denver International Airport (DEN/KDEN) At least one end of this route is not from our own observation.
- Observed landing
- Aircraft
- N37422 · BOEING 737-900
- Positions recorded
- 54
Source: observations by the map.flights community network of ADS-B receivers; times in UTC.