When it comes to verifying and supporting Allegiant Air customer service, consider using their official website and customer service hotline for direct assistance with flights, booking changes, and inquiries. Additionally, Allegiant offers insurance plans to protect against trip interruptions, cancellations, and delays. This includes covering additional expenses incurred due to travel disruptions. It's always best to check the latest information and resources provided by Allegiant for the most accurate and up-to-date support services.