If we don't then its mismanagement on our part with revenues. Why push more seats into lower buckets just to spread the exact same revenue of the flight over more seats on the same flight? What are they teaching at the RASM/CASM schools these days? Fill-em-up no matter what? Its better to carry extra weight for the same total revenue? No wonder there's "no money in cargo".

I guess it really is better to have 3 full 50 seaters than a single 737-800 at 90% load factor because you're wasting that 10%?