That’s right, in the week between Christmas and New Year’s Eve, 65 million americans will be in the air or on the road. That’s almost double the number who traveled over Thanksgiving weekend, and an increase of one million from last year.

According to Word Spy:
aerotropolis (air.oh.TROP.ul.lis) n.
A city in which the layout, infrastructure, and economy are centered around a major airport.