Really? Taken verbatim, the headline was very misleading, since there are no supersonic commercial flights-or aircraft in service-to provide supersonic travel anywhere. The editors obviously figured why let the facts stand in the way of a bit of hype to pull readers into an article about Boom Technology, a Denver-based aerospace startup that has its sights set on developing a 45-seat jetliner that will cruise at 1,451 miles per hour.