UAL721
- Airline
- United Airlines (UAL)
- Route
- Tailwind Boston Seaplane Base (US-0568) → Washington Dulles International Airport (IAD/KIAD)
- Observed take-off
- Observed landing
- Aircraft
- N68805 · BOEING 737-900
- Positions recorded
- 3190
- Time airborne
- 79 min
Source: observations by the map.flights community network of ADS-B receivers; times in UTC.