BLEEP BLOOP: I just saw an aircraft with callsign #AAL1517 (ICAO code #A04F75) flying at 311 kt at altitude 8425 feet MSL at coordinates 34.2863,-118.4846.

Southwest pilots would be jealous. Oh wait, was that Southwest?

https://globe.theairtraffic.com//?icao=a04f75
https://globe.adsbexchange.com/?icao=a04f75
https://www.openstreetmap.org/?mlat=34.2863&mlon=-118.4846#map=15/34.2863/-118.4846