Alaska Airlines, building on its continuing expansion effort in San Diego, announced Tuesday it will add three new nonstop flights and significantly increase flight frequency for four of its more popular routes.

Alaska Airlines is launching three nonstop routes this spring from San Diego International Airport (SAN). The new routes will begin later this year with multiple daily departures. The first of the new flights to launch will be a nonstop from SAN to Phoenix on August 20.

Just a day after making some high-profile cuts to its network, Alaska Airlines is out with a big expansion in San Diego.