Originally Posted by 3Cforme

Write your federal representatives and demand that Common Use Gates be required on all new airport terminal construction that has any federal financial support. Gate-squating (holding leases on lightly-used gates to assure that another carrier doesn't get them) is inefficient: it demands more construction spending, it uses public assets poorly, it's anti-competitive.

SEA is a lot busier than it was five years ago. LGA, DCA and LAX have been crowded for a long time. It's time for bigger planes (on average) or more construction.