Know About Alaska Plus Size Policies
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You require the purchase of an additional seat for any customer who cannot comfortably sit in a seat with the armrests in the down position. The armrest is considered the definitive boundary between the seats; width between armrests typically measures 17 inches for coach and 21 inches for first class. The purchase of one or more additional seats serves to alert Alaska Airlines of a specific seating requirement and allows us to properly plan for the number of seats that will be occupied on the aircraft.