He wanted to fly fighter jets. He became an airline analyst instead. Now United’s CEO is betting that bigger planes, better information and a little less certainty can change the way people travel.

He joined Southwest as a programmer in 1988. Now Bob Jordan is changing the airline he grew up in, testing how much a company can alter its habits while keeping its character.
He studied mechanical engineering and English, then spent three decades learning how airlines fit together. At American, Robert Isom faces a harder assignment: making the operation, the customers and the economics agree.