Disruption Assistance for Any Reason is a service provided by HTS (a division of Hopper). It is an additional paid item that is offered when you are booking your flight. This service will help when your flight with Frontier is cancelled within 24 hours of departure or delayed 2 or more hours. There are two service options: either reaccommodation to another available airline or keep you delayed Frontier flight and receive a refund for your original itinerary. Visit Hopper help center to learn more about this program.