Alaska Airlines (Seattle/Tacoma) will add Houston (Bush Intercontinental) and the SEA-IAH route on September 23 according to Airline Route Updates.  It will also add Atlanta and SEA-ATL nonstop route on October 23. The company will add Hawaiian service from Oakland to both Kahului (Maui) (four times weekly, November 9) and Kona (Hawaii) (three times weekly, November 10).