Alaska Airlines in March 2020 plans to increase frequencies on selected routes to Kona, including San Diego and San Jose, where both receives daily service, instead of 3 weekly. Planned schedule as follows.
San Diego – Kona eff 20MAR20 Increase from 3 to 7 weekly
AS239 SAN1140 – 1435KOA 73H D
AS240 KOA1300 – 2120SAN 73H D
San Jose CA – Kona eff 11MAR20 Increase from 3 to 7 weekly (Following schedule effective 19MAR20)
AS149 SJC0740 – 1035KOA 73H D
AS856 KOA1435 – 2245SJC 73H D