What is Allegiant Air’s flight check-in procedure?
Allegiant Air provides a secure online registration that opens one day ahead of time and closes 45 minutes before departure. Travelers have a choice to download boarding passes to their mobile devices or copy them at home. Allegiant Air Check-In When you check in, you can select your seat, although some have extra costs. Extras like early boarding and luggage can also be added. Arrive at the airport at least two hours before departure to allow for security and boarding procedures. Special needs travelers have to check in at the airport desk. Online check-in is free.
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