Oceanic Airlines Flight 815 was a scheduled flight from Sydney, Australia to Los Angeles, California, United States, on a Boeing 777-200ER. On September 22, 2004 at 4:16 P.M., the airliner, carrying 324 passengers, deviated from its original course and disappeared over the Pacific Ocean. This is the central moment in the series Lost and the personal chronological beginning of the main characters' exploits on the Island.