Southwest airlines pregnancy policy is flexible, allowing expectant mothers to travel up to their 38th week of pregnancy without restrictions. Unless there are issues no medical paperwork is needed; however, it is advised to see a doctor before flying, particularly in the later stages. Pregnant passengers may request preboarding for convenience and comfort. The airline warns against flying after 38 weeks because of possible health hazards. While putting safety first, Southwest Airlines' pregnancy policy seeks to make traveling easy for expectant passengers.