The backup airports absorbing America's private jet boom

  This year, more and more people flying private won’t touch down at JFK, LAX, or O’Hare. Instead, they will land at airports most travelers haven’t even heard of, places such as Teterboro, Westchester County, Van Nuys, and Opa-locka. An underlayer of aviation infrastructure carries the bulk of the country’s business jet traffic, and an