A blended wing body aircraft, comprising a cabin, wherein the cabin comprises a first set of bays comprising a first plurality of seats arranged in a first seating configuration, wherein each bay of the first set of bays is associated with a first bay width, a second set of bays comprising a second plurality of seats arranged in a second seating configuration different than the first seating configuration, a central galley complex positioned in a front center location located between the first set of bays and the second set of bays, a central passage separating the first set of bays, the central galley complex, and the second set of bays, and at least a lavatory positioned outside the first set of bays and the second set of bays, along a perimeter of the cabin.