UAL639
- Airline
- United Airlines (UAL)
- Route
- Boston Logan International Airport (BOS/KBOS) → Los Angeles International Airport (LAX/KLAX)
- Observed take-off
- Observed landing
- Aircraft
- N37551 · BOEING 737 MAX 9
- Positions recorded
- 11916
- Time airborne
- 337 min
Source: observations by the map.flights community network of ADS-B receivers; times in UTC.