http://www.flashcardexchange.com/tag/usair www.flashcardexchange.com: usair Flashcards en-us Wed, 15 Feb 2012 11:37:25 PST Wed, 15 Feb 2012 11:37:25 PST support@flashcardexchange.com 720 http://www.flashcardexchange.com/flashcards/view/1195758 US Airways Express Airport City Codes, 02NOV06 2010-03-04 http://www.flashcardexchange.com/flashcards/view/1195758 http://www.flashcardexchange.com/flashcards/view/437806 US Airways Express Airport City Codes, 02NOV06 2007-02-14 http://www.flashcardexchange.com/flashcards/view/437806