From May 4, 2015, SkyWest Airlines will introduce four times daily Delta Connection flights to Boise, Idaho and Sacramento, Calif, while seasonal daily flights to Ketchikan, Alaska and Sitka, Alaska will be added from May 15, 2015. The fifth new route to Denver will come online from June 5, 2015 and will be flown on a five times daily basis by Compass Airlines under the Delta Connection brand.