• Southwest Airlines is the only airline that officially publishes its underseat dimensions, specifically to help pet owners figure out if their carriers will fit easily inside the cabin. On a Southwest Boeing 737, the following dimensions are provided: window and aisle seats are 19 inches long by 14 inches wide by 8.25 inches high. The dimensions of the|High Sierra Elevate Wheeled Tote Bag are (HxWxD): 16x13x8", so if you fly Southweat you can put this bag under the seat
    Answered on 12/28/2011 12:00:00 AM by Prod. Spec. Ryan from Sierra Trading Post