There was supposed to be an air show in Farnborough this week. And even if there was, Americans wouldn't be able to attend. Our Travel Sentiment model is reliably predicting the ups, downs and stagnation of the U.S. air traffic recovery. Here's an update. British Airways decommissions its 747 fleet, another in a series of the long goodbye to the Queen of the Skies. It's hard out there for big airplanes.
