According to EU legislation, you have a number of rights in the case of a flight delay. In this essay, we examine Frontier Airlines and its duties regarding frontier flight delay compensation. The EU's regulations governing passengers' rights in the case of a flight delay or cancellation, like those governing other air carriers operating in the EU, must be followed by all airlines. The Montreal Convention, which is a piece of legislation, applies to passengers flying on aircraft that have a destination in the EU and leave from an EU airport.