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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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With world headquarters in Dallas, Texas, American Airlines and its commuter subsidiary American Eagles provide service to North America and throughout the world. American is a member of the One World Alliance.
Address: World Headquarters Dallas TX
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