American Airlines is reviving some of its pre-pandemic destinations like Prague and Budapest, Hungary, as international travel continues to hold up better than domestic demand.Other additions include its first-ever Dallas Fort Worth International flights to Athens, Greece, and year-round nonstop service between Miami and Milan.American is also extending service for next year's World Cup, from Buenos Aires, Argentina, to Dallas and between Dallas and Zurich, where soccer's governing body, FIFA, is based,. Th ...