What happens in cases where Frontier flight gets delayed? It may often happen that there’s a delay in flight due to various reasons. In such cases where the delay is 3 hours or more, Frontier flight delay compensation is given to all the passengers who claim it on the website or over-call. These delays can be due to technical issues in the plane, delays in a previous flight, rough weather which is said to settle within a few hours, and so forth which the traveller is duly compensated for.