United Air Lines Flight 615 crashes near Decoto, California, killing 50 people.

United Air Lines Flight 615 was a US transcontinental east–west airline service from Boston to Hartford, Cleveland, Chicago, Oakland and San Francisco. On August 24, 1951, the Douglas DC-6 with registration N37550 operating the service, crashed on approach to Oakland, causing the death of all 44 passengers and 6 crew members on board.

Decoto is a neighborhood of Union City, California originally established as a separate community. It is located 5 miles (8 km) north-northwest of downtown Newark, along California State Route 238.

August 24 is the 236th day of the year in the Gregorian calendar; 129 days remain until the end of the year.