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After many years as the USA's largest domestic carrier, United is now also a major world airline serving cities nationwide and throughout the globe, in conjunction with its partners in the world 'Star Alliance' of international airlines. United Mileage Plus awards are accrued on every United flight.
Address: World Corporate Headquarters Chicago IL 60666
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U.S. Airways offers extensive service throughout Eastern U.S. and a more limited service in the West. International destinations include major centers in Europe and the Caribbean.
Address: 2345 Crystal Drive Arlington VA 22227
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