If you miss your Spirit Airlines flight, you will forfeit the fare and will need to book and pay for a new ticket. Spirit has a no-exceptions policy, so it does not rebook passengers who miss flights. Be sure to arrive well ahead of departure time, as Spirit won't hold planes for late passengers. For more information about Spirit Airlines Missed Flight call the helpline at 1 (855) 728-3555 or 1 (888) 838-0309 (OTA-Skip Waiting). Or visit the Airwaysmanagebooking site.