southwest airline unaccompanied minors fee is $50 each and $100 round trip.
two harts field airlines are delta and united.
you have to stop by the ticket counter and your child will receive a um lanyard then you can obtain a escort pass.also it is acquired to accompany your child through check point.you also have to bring a document of the child's birth.
if southwest loose a child they check back at the child's birth document to see who he/she is so they can track there flight down and locate them..
the parent must provide any identification listing the child birth date must be presented to customer service agent for child identification.