So there wasn't any activity on the part of the American authorities to deny him or to have him questioned prior to his departure from Canada, which would be how the no-fly list should be working if an individual is flying into the United States. You shouldn't be able to get there, unless the Americans have granted some dispensation for your inadmissibility for being on their no-fly list.
I can't speak for the information that's on the U.S. no-fly list.