 Alaska 's route system spans more than 92 cities in the United States , Canada , Costa Rica and Mexico . Some of the locations served in the carrier 's namesake state include Anchorage , Adak , Barrow , Cordova , Fairbanks , Juneau , Ketchikan , Kodiak , Kotzebue , King Salmon , Nome , Prudhoe Bay and Sitka , several of which are inaccessible by road . The airline began scheduled operations to the Russian Far East in 1991 following the breakup of the Soviet Union , but suspended the service in 1998 following the 1998 Russian financial crisis . 
