BLEEP BLOOP: I just saw an aircraft with callsign #SWA1259 (ICAO code #A200BA) flying at 311 kt at altitude 7050 feet MSL at coordinates 34.2458,-118.4360.

They must have had a 50 knots tail wind.

https://globe.adsbexchange.com/?icao=a200ba
https://www.openstreetmap.org/?mlat=34.2458&mlon=-118.4360#map=15/34.2458/-118.4360