https://www.lowfaresfinder.com/blogs/frontier-airlines-umnr-policy Frontier UMNR Policy: Frontier Airlines' Unaccompanied Minor (UMNR) Policy outlines the procedures and care provided to young travelers flying alone. Prioritizing safety and security, Frontier ensures a supervised journey for unaccompanied minors, offering peace of mind to parents and guardians. Familiarize yourself with the guidelines to ensure a smooth travel experience for your child.