Japan Airlines and Alaska Airlines expand codeshare network Alaska Airlines and Japan Airlines (JAL) are expanding their partnership with additional codeshare flights that include former Virgin America routes, such as San Francisco to Boston, to Denver and to Newark. Japan Airlines will start selling tickets for the new codeshare flights on Feb. 6 for travel after May 20, 2018. “Travelers will now enjoy… 1 min read February 2, 2018 Keep up with Alaska