BLEEP BLOOP: I just saw an aircraft with callsign #AAL2404 (ICAO code #AD526C) flying at 277 kt at altitude 4925 feet MSL at coordinates 34.1847,-118.4341.

That plane was making good time.

https://globe.adsbexchange.com/?icao=ad526c
https://www.openstreetmap.org/?mlat=34.1847&mlon=-118.4341#map=15/34.1847/-118.4341