BLEEP BLOOP: I just saw an aircraft with callsign #SWA3431 (ICAO code #AAAD8F) flying at 314 kt at altitude 8950 feet MSL at coordinates 34.2345,-118.4401.

They must have had a 50 knots tail wind.

https://globe.adsbexchange.com/?icao=aaad8f
https://www.openstreetmap.org/?mlat=34.2345&mlon=-118.4401#map=15/34.2345/-118.4401