The head of United's futuristic new 250-person plane says it'll be like a 'living room in the sky'

United has invested in a revolutionary aircraft design with one giant wing and an extra-wide cabin.

United Airlines, JetZero

• United Airlines is investing in a revolutionary new aircraft type.
• The head of its latest venture, a jet with one big wing, said it will be like a "living room in the sky."
• The 'blended-wing body' plane built by startup JetZero could replace United's older Boeing jets.

United Airlines is investing billions of dollars in funky new aircraft...