Pittsburgh Airport: From hub airport to point-to-point in three decades

Pittsburgh is an outstanding example of the boom and bust US hub saga. Serving a metro area that now ranks amongst the top 25 in the US, population-wise, its football team, the Steelers, give a big hint as to its claim to fame—steel. Like many US cities that had their roots in heavy manufacturing, the latter part of the 20th century brought big changes to the city and its inhabitants.