The long decline of the once-thriving Pittsburgh International Airport – The Morning Call
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Pittsburgh weather: Arctic blast leads to flight cancellations and treacherous travel conditions in Western Pa. | Pittsburgh Post-Gazette
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CHARTER FLIGHTS BETWEEN CHINA AND PITTSBURGH INTERNATIONAL AIRPORT WILL BE LAUNCHED IN AUGUST 2018 | Fly Pittsburgh
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Pittsburgh airport getting daily flights to Austin | TribLIVE.com
