Southwest to cancel 1,500 daily flights starting March 27

Southwest Airlines will cancel 1,500 daily flights starting March 27, an increase from what the Dallas-based airline said several days prior as demand for air travel plummets even more. Southwest Airlines Co. (NYSE: LUV) flies about 4,000 flights a day normally, meaning the cancellations represent nearly 40 percent of the airline's daily service. "We'll implement the cancellations on a rolling, multiple-day basis to provide customers with advance notice of changes and alternate flight options,"…