Background

To maintain efficiency and safety during flights, spirit airlines baggage weight has tight weight limits for checked baggage. The weight of a standard checked bag cannot be more than 40 pounds (18.1 kg). There is an additional overweight tax for bags weighing between 41 and 50 pounds (18.6-22.7 kg), and fees go up considerably for bags weighing between 51 and 100 pounds (22.8-45.4 kg). To prevent unforeseen penalties at the airport, travelers are advised to weigh their bags at home. The expense of baggage can be reduced by packing lightly.