[size= medium]Understanding the [/size]<strong style="font-size: medium;" data-start="1205" data-end="1303">southwest airlines pet carrier policy[size= medium] is essential for passengers flying with pets. Southwest requires all in-cabin pets to be transported in approved carriers that meet size and safety standards. Carriers must fit under the seat and provide proper ventilation and comfort for the pet. Each passenger may bring only one carrier, which counts as a carry-on item. A refundable pet fee applies per carrier each way, and pet spaces are offered on a first-come, first-served basis. Following these carrier guidelines ensures compliance with airline rules and a comfortable journey for both pets and passengers.[/size]