ASA9421
- Flight number
- ASA9421
- Airline
- Alaska Airlines (ASA)
- Route
- King County International Airport - Boeing Field (BFI/KBFI) → Piedmont Triad International Airport (GSO/KGSO)
- Observed take-off
- Observed landing
- Aircraft
- N520AS · BOEING 737-800
- Positions recorded
- 5875
Source: observations by the map.flights community network of ADS-B receivers; times in UTC.