United Airlines is planning to launch flights to Marrakesh, Morocco, and Medellin, Colombia, and ramp up its service to Asia, in the carrier's latest bet that consumers will continue to shell out for trips abroad. The flights from United's Newark, New Jersey, hub to Marrakesh are scheduled to begin Oct. 24 using a Boeing 767-300ER. The carrier's Houston-to-Medellin flight is slated to start Oct. 27, on Boeing 737s, it said Thursday. The airline is also starting year-round service to Cebu, Philippines, from ...