Spirit Airlines' policy on allowing name changes on a ticket is generally restrictive. They have a limited "Name Change Program," which means that changing the name on a ticket can be challenging and may not always be possible. Here's an overview of their policy:

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Restrictions: Spirit Airlines typically does not allow name changes on tickets. Their tickets are non-transferable, meaning that the name on the ticket must match the name of the passenger traveling. This policy is in place to prevent ticket scalping and fraud.
Correction of Misspelled Names: Spirit Airlines does, however, permit corrections to minor misspellings in the passenger's name. These corrections should not change the identity of the traveler, and they are usually handled through their customer service.
Marriage or Legal Name Changes: In the case of a legal name change due to marriage, divorce, or other legal proceedings, Spirit Airlines might allow a name change. In such situations, passengers are usually required to provide documentation of the name change, such as a marriage certificate or court order.
Death or Emergency Situations: In the unfortunate event of a passenger's death or other emergencies, Spirit Airlines may work with passengers or their families to address name change requests on a case-by-case basis.