They are flying to/from Seattle, Portland, Reno, Sacramento, Oakland, San Jose, Las Vegas, Ontario, Orange County, Phoenix, Tucson, El Paso, Amarill, Oklahoma, Tulsa, Kansas City, St. Louis, Nashville, Colombus, Birmingham, Washington DC, Philadelphia, Boston and others, check this page for an interactive route-map:
http://www.southwest.com/travel_center/routemap_dyn.html
cheers - (2009-09-14)
