Alaska Airlines (AS, Seattle Tacoma Int'l) has outlined tentative deployment plans for its incoming fleet of thirty-two B737-9s due from Boeing (BOE, Chicago O'Hare).
San Diego Int'l (1x daily starts August 15).
Further revisions to the plan remain possible.
Alaska Airlines is an existing B737 operator with eleven B737-700s, sixty-one B737-800s, twelve B737-900s, and seventy-five -900(ER)s currently in service for its passenger mainline unit.