<< Google announced today that it is providing free Wi-Fi as a holiday gift now through January 15, 2010. The gift currently includes 47 airports, including Las Vegas, San Jose, Boston, Baltimore, Burbank, Houston, Indianapolis, Seattle, Miami, Ft. Lauderdale, Orlando, St. Louis and Charlotte. Additionally, as a result of this project, Burbank and Seattle airports will begin offering airport-wide free Wi-Fi indefinitely. >>

http://www.google.com/intl/en/press/pressrel/20091110_free_airport_wifi_holiday.html

This is different then the Virgin America announcement last month: http://googleblog.blogspot.com/2009/10/flying-in-wifi-wonderland-free-internet.html