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The biggest delay for airlines isn’t your flight or your luggage. It’s their long-promised new business-class seats.

United Airlines trumpeted its new Polaris business class in June 2016 with a roadshow to let top customers try the new cocoon-like lie-flat bed and a promise of nine fancy new Polaris clubs at key airports by the end of 2017. Airports are covered with Polaris ads. New Polaris-labeled pillows, bedding, meals and china are in all the international business-class cabins.