Southwest Airlines allows pregnant travelers to fly up to their 36th week for domestic flights and up to their 35th week for international flights, provided they meet health requirements. It is possible to request a medical certificate close to the deadline. Under southwest pregnancy policy it is advised that passengers drink plenty of water, dress comfortably and think about their preferred sitting arrangement for increased comfort. Southwest places a high priority on customer safety and allows for flexible reservation modifications to account for unanticipated events. It is advisable for pregnant women to speak with their doctor before to flying in order to have a comfortable and hassle-free travel experience with Southwest Airlines.