Flight Diverted to Salt Lake After Bomb Threat Passengers still on board as FBI searches plane By Newser Editors and Wire Services Posted Feb 18, 2010 12:04 PM CST 12 comments Comments A United Airlines jet takes off in this file photo. (AP Photo/Elaine Thompson, File) (Newser) – Airport officials say an airliner en route to San Francisco has been diverted to Salt Lake City following a bomb threat. The plane is already on the ground, being searched by FBI and airport police. Its 193 passengers and six crew members remain on board. United Flight 741, which originated in Denver, was diverted as a precaution, says a United spokesman.