Because they can charge shippers for transporting more cargo if the bottom of the plane isn’t full of checked bags. https://thepointsking.com/blog/passenger-pl

Because they can charge shippers for transporting more cargo if the bottom of the plane isn’t full of checked bags. https://thepointsking.com/blog/passenger-planes-ship-freight-cargo/ https://thepointsking.com/blog/passenger-planes-ship-freight...