There are various boarding zones available on Southwest Airlines to make a systematic arrangement of flyers to get on the plane. Here, travelers get categorized into groups A, B & C and each group contains 60 passengers in total. But, according to the new arrangements, Southwest Boarding Groups are further modified into 8 zones, including a pre-boarding option. For more information about the boarding group of Southwest Airlines, flyers can visit its official website or read the blog mentioned by Group Travel Airlines.