CHICAGO — A United Airlines flight headed to Los Angeles made an unplanned landing at O’Hare International Airport Wednesday morning after a passenger wrote in the plane’s restroom that a bomb was on the aircraft, another traveler said. United Flight 1533 took off from Newark, New Jersey, at 6:30 a.m. Wednesday and landed in Chicago just before 8 a.m. local time, authorities said. Michael Wilson, 57, was one of the 211 people on board when flight attendants began “yelling” over the plane intercom that passengers needed to take their seats. “They were announcing the seat belt light was on and e…
