Southwest Airlines en Southwest to Offer Pittsburgh to Nashville Nonstops <p>Southwest Airlines will be offering daily nonstop flights between Pittsburgh and Nashville.</p><p>The company says the first flight will depart Pittsburgh International Airport at 7:55 a.m. Tuesday.</p><p>The Allegheny County Airport Authority says officials in both cities will hold dedication ceremonies, with polka music in Nashville and country music in Pittsburgh.</p><p>Nashville will be Southwest&#39;s ninth destination from Pittsburgh.</p> Mon, 30 Sep 2013 17:56:13 +0000 The Associated Press 17380 at