Southwest Airlines to roll out sweeping overhaul of boarding process: Here are the details

Southwest Airlines will soon roll out a sweeping overhaul of its boarding process.The Texas-based airline, which has used open seating for more than 50 years, will shift to assigned seating starting Jan. 27 and introduce a completely new boarding system, according to its website.The revamp, known internally as "Project USA," has been in testing for months in Houston and Cancun, Mexico. Under the new "WILMA" boarding method, passengers with window seats will board first, followed by those in middle seats and then aisle seats, beginning from the back of the aircraft, The Wall Street Journal repo