As it dealt with complaints from customers and scrutiny from government regulators over how it handled its schedule in the wake of the enormous winter storm that ruined holiday travel plans across the U.S., Southwest Airlines cancelled thousands of flights once more on Wednesday. According to tracking firm Flight Aware, Southwest scrubbed more than 2,500 flights on Wednesday. The move accounted for approximately 86% of all canceled flights in the United States by Wednesday evening. Southwest canceled approximately 2,600 additional flights on Tuesday, a day after most American carriers had recovered from the devastating winter storm. According to FlightAware, those