The website shows seat maps with designated seats for passengers with disabilities and measurements of all seats: https://customersupport.spirit.com/en-us/category/article/KA-01189
Customer mobility aid form: https://customersupport.spirit.com/ 115000597251_Customer_Mobility_Aid_Information.pdf
The website provides information on which planes have accessible restrooms and the dimensions and location of those restrooms: https://customersupport.spirit.com/en-us/category/article/KA-01189
877-728-3555; add wheelchair assistance to your booking through one of these options: My Trips section of our website homepage From there, follow the instructions to access your reservation. Scroll down to the Passenger section, then click "ADD" next to "Additional Info" and select the type of wheelchair assistance needed Text or call us at 855-728-3555