The boarding card for Spirit Airlines is a document that includes all relevant data on flights and passengers. The boarding pass includes details such as the name of the passenger, the date of travel, the destination, and the time of the flight. Additionally, it contains information about the baggage, flight, and seat numbers. After completing a web check-in, Spirit Airlines will provide a boarding card for no charge. The Spirit Airlines web check-in process starts 24 hours prior to travel and ends an hour prior to departure. Therefore, the goal is to complete the Spirit web check-in between the time windows in order to receive a Spirit Airlines boarding card. Use Spirit Airlines' website or app to complete the online check-in process.