Chicago-based United Airlines reports it has placed a multi-billion dollar order for 300 new jets. The first order is 100 Boeing 787 Dreamliners, with an option to purchase 100 more of the widebody planes. The company said it is also buying 100 Boeing 737 Max airplanes for domestic flights. United said the order will create 2,600 new jobs for pilots, flight attendants, and other support staff next year in the Chicago area.