Originally Posted by
SNAnghbr
In looking at the seat maps, I noticed they have 16 F seat which means a 900 or 321. Could AS be holding the final row of F to guard against possiblly down grading 4 passengers due to an aircraft swap with an 800 with only 12F. Better to have the seats go out empty than refunding the most of the F fare due to a down grade
This route is served by a -900 most of the time, but it is occasionally an -800 so you may have a point there.