To make the most of complex cabin shapes, seatmakers are doubling down on their focus to optimize business class seats for ...

United and American Airlines unveil new luxury suites with premium features, while Delta enhances its cabin design to capture the lucrative the business class market.

and American Airlines is following suit. They deemed business class more lucrative for long-haul flights. It can fit more seats and is more marketable to more people than a costly first-class ticket.