The Southwest Airlines Boarding Process is unique compared to most other airlines. Instead of assigned seats, passengers board based on groups—A, B, or C—and a position number. Your boarding group is determined by check-in time, fare type, and elite status. Once on board, seating is open, so passengers can choose any available seat. Early check-in or purchasing EarlyBird Check-In can ... https://www.airlinesticketoffice.com/blog/southwest-airlines-boarding-process/