If you miss your scheduled Frontier Airlines flight, don't worry; the airline will rebook you on the next available flight free of charge. Frontier Airlines Missed Flight policies are designed to get you to your destination as soon as possible. You may also get meal vouchers or hotel accommodations if needed during the delay. For more help, contact Frontier customer service at 801-401-9000 or 1-844-902-4930 (OTA Skip-Waiting). For more information regarding missed flights, check out a blog on the Airlines Pet Policy.