UAL721
- Airline
- United Airlines (UAL)
- Route
- Boston Logan International Airport (BOS/KBOS) → Washington Dulles International Airport (IAD/KIAD)
- Observed take-off
- Observed landing
- Aircraft
- N37427 · BOEING 737-900
- Positions recorded
- 3508
- Time airborne
- 73 min
Source: observations by the map.flights community network of ADS-B receivers; times in UTC.