Learn how to file a complaint with Allegiant Airlines ⇠⟦⊹⟦1-800⊹259⊹0766⟧ ⊹or⊹║⊹⟦1-800⊹259⊹0766⟧) ║║║ for various issues, such asdelayed or cancelled flights, denied boarding, baggage problems, and more.Allegiant Airlines ® main customer service number is 1-800-Allegiant Airlines ® ⇠⟦⊹⟦1-800⊹259⊹...