BLEEP BLOOP: I just saw an aircraft with callsign #UAL716 (ICAO code #A4F752) flying at 280 kt at altitude 5000 feet MSL at coordinates 34.1919,-118.4397.

That plane was making good time.

https://globe.adsbexchange.com/?icao=a4f752
https://www.openstreetmap.org/?mlat=34.1919&mlon=-118.4397#map=15/34.1919/-118.4397