Southwest Airlines uses an open seating boarding process that is unique among major airlines. Passengers are assigned a boarding group (A, B, or C) and a number from 1 to 60. Boarding order is based on check-in time, with earlier check-ins getting better positions. Once onboard, passengers can choose any open seat. EarlyBird Check-In or upgraded boarding can improve your position. Families with small children and passengers needing assistance board after group A. The system is designed for efficiency and quicker turnaround times. It encourages early check-in and simplifies the seating process. Visit: Southwest Airlines Boarding Process