UAL8172
- Airline
- United Airlines (UAL)
- Route
- Denver International Airport (DEN/KDEN) → Phoenix Sky Harbor International Airport (PHX/KPHX)
- Observed take-off
- Observed landing
- Aircraft
- N66831 · BOEING 737-900
- Positions recorded
- 28
Source: observations by the map.flights community network of ADS-B receivers; times in UTC.