From news story:
Alaska is starting new nonstop flights between Portland and Reno/Tahoe, Calif., on Nov. 8, between Seattle andSteamboat Springs, Colo., on Dec. 18, and between San Diego and Mammoth, Calif., on Dec. 19. This is addition to the airline's increase in flights between Los Angeles and Mammoth, starting Dec. 1, and seasonal service from Seattle and Los Angeles to Sun Valley, Idaho, starting Dec. 14.
"With Alaska Airlines' new service this winter, we now offer the most nonstop flights to the most winter resorts from the Pacific Northwest," said Joe Sprague, vice president of marketing. "And now our travelers can receive discounts and even ski free at select resort partners when they fly Alaska Airlines."