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Spirit Airlines encourages its passengers to check in online 24 hours before to their departure. Long airport queues can be avoided and time can be saved by using this method. <a href="https://allairportsterminals.com/spirit-airlines/spirit-airlines-bos-terminal-boston-logan-international-airport/">What Terminal is Spirit Airlines at BOS</a> ? Passengers must get familiar with baggage policies because Spirit's "bare fare" model charges costs for both checked and carry-on items.
