Is frontier airlines safe ? Frontier Airlines, like all commercial carriers operating in the United States, is subject to rigorous safety regulations. Safety in air travel is a top priority for all airlines, including Frontier. They undergo regular maintenance checks, and their pilots and crew members receive extensive training to ensure safe operations. It's important to note that safety records can change over time, so it's a good practice to check the latest safety records and reviews from reliable sources, such as the FAA or aviation safety organizations, before booking any flight.