It’s official: Passengers flying on nine airlines non-stop to the U.S. from 10 airports (Cairo, Egypt; Amman, Jordan; Kuwait City, Kuwait; Casablanca, Morocco; Doha, Qatar; Riyadh and Jeddah in Saudi Arabia; Istanbul in Turkey; and Abu Dhabi and Dubai in the United Arab Emirates) will be prohibited from bringing electronic devices larger than cellphones on board with them.