"Night Flight to Bonner's Ferry" by Erostos. In order to avoid potential bad weather, a pilot and his passenger land short of their destination and spend the night together, sleeping in the aisle of the plane. They engage in pleasant, dreamy sexual activity before continuing the next morning. The author's account is extremely clear and lucid, with just the right amount of tension and anticipation to make it interesting. Although there is little explicit description of sexual activity, this is a sexy story.