Spirit Airlines' fleet of Airbus A319-100, A320-200 and A321-200s have seat widths of just less than 18 inches and 28–31-inch pitch. Note seats on the A320s don't recline. It is possible to upgrade (in advance or onboard) to Spirit's Big Front Seat option, offering greater pitch and width. Light in-flight food and beverages may be purchased via credit card as Spirit operates a cashless system onboard.
Carry-on luggage of 1 small personal item is permitted free (with maximum dimensions 30cm x 35cm x 40cm). One other piece of carry-on luggage (with maximum dimensions 25cm x 45cm x 55cm) is allowed but will attract a fee. All checked baggage attracts a fee (which varies depending upon flight type: domestic or international). Each bag must have a maximum dimension sum (length + width + height) of 158cm and weight of 18kgs. Discounted baggage fees are available for $9 Fare Club members.
Spirit Airlines offers airport counter, kiosk (at select airports) and online check-in. Counter check-in is available up to 45 minutes prior to departure on domestic flights and 60 minutes prior for international flights. Online check-in is available from 24 hours to 60 minutes prior to departure. Note, fees apply to kiosk check-in and if an agent prints a boarding pass following online check-in.
Free Spirit is Spirit Airlines' frequent flyer program. Automatic membership of Free Spirit is granted when travellers sign up to the $9 Fare Club (which has an annual fee).