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Business Class (z) vs World Business Class on KML?

Business Class (z) vs World Business Class on KML?

  1. Anonymous

    I was looking at some seats between LAX and OSL through the Delta website. But when I chose (what I thought) were flatbed seats, the final page asks if I want to upgrade to World Business Class for an extra $3,800/person!

    Does anyone know what the difference is between Business Class and World Business Class? It says wider flat seat, but Seat Guru shows all business class seats as flat seats, Sky Priority (but I already get that as a Medallion Member) and meal (but I’m assuming they don’t have two different types of business class meals, do they?).

    Appreciate any help.
    Here’s a sample booking to show you what I’m talking about.



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