Delta Airlines, and Qatar Airways. The study compared passengers’ experiences flying in economy versus business class, along with several other factors. They included seat size and type ...

Delta One flights offer attentive service, comfortable suites, lie-flat seats and pre-selected meals ... a 22.5-inch-wide and 79- to 80-inch-long bed, which goes down 180 degrees.

Each suite is 20-24 inches wide and reclines to a fully flat bed that is 76-81 inches long. The suites' dimensions are like most of Delta's other international business-class seats. However ...