High Quality Content by WIKIPEDIA articles! American Airlines Flight 191 was a regularly scheduled passenger flight in the United States from O`Hare International Airport in Chicago, Illinois, to Los Angeles International Airport. On May 25, 1979, the McDonnell Douglas DC-10-10 operating the route crashed moments after takeoff from Chicago. All 258 passengers and 13 crew on board were killed, along with two people on the ground. The accident remains the deadliest airliner accident to occur on United States soil, as well as the second deadliest involving a DC-10, after Turkish Airlines Flight 981.