Alaska Airlines connecting key cities in California, Oregon, Idaho, Texas

Alaska Airlines said it has begun flying four new routes that enhance its West Coast network.

The new routes are between: Portland, Oregon, and Austin, Texas; Eugene, Oregon, and San Jose, California; Los Angeles and Monterey, California; and Boise, Idaho and Reno, Nevada.

All flights, except the Portland-Austin route, will be operated by Alaska´s sister carrier Horizon Air, using a 76-seat Bombardier Q400 aircraft.

The Portland-Austin flights will be operated for Alaska by SkyWest Airlines, using new 76-seat Embraer 175 jets. The E175 jet features 12 seats in first class and 64 in coach, and with cabin dimensions on par with a 737.

Alaska Airlines, a subsidiary of Alaska Air Group (NYSE: ALK), together with its partner regional airlines, serves more than 100 cities through an expansive network in the United States, Canada, Costa Rica and Mexico.