According to Spirit Airlines change flight policy, passengers can change their flights up to one hour before their scheduled departure time. Here are some of the key features of Spirit's new flight rules.
If passengers are unable to board their original flight due to unforeseen circumstances, they may reschedule it.
https://flightcancellationpoli....cy.com/spirit-airlin

Spirit Airlines Cancellation Policy, 24 Hours, Fees & Refund

As per the Spirit Airlines Cancellation Policy, if your ticket is canceled at least six days or less before departure, you will be required to pay $119.