Callsign SWA is Southwest Airlines
WHAT AIRLINE IS SWA?
SWA is the ICAO three-letter callsign prefix for Southwest Airlines. When a radio scanner, flight tracker or radar scope shows a flight like SWA123 or SWA45XY overhead, that's a Southwest Airlines aircraft talking to air traffic control.
Spot one yourself: open the live scope, enter your postcode, and tap any blip whose callsign starts with SWA for its type, registration, route and photo.