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Japan Air System

Commenced operationsMay 15, 1971 (1971-05-15) (amalgamation; as TDA - Toa Domestic Airlines)April 1, 1988 (1988-04-01) (as Japan Air System (JAS))April 6, 2004 (2004-04-06) (as Japan Airlines Domestic)Ceased operationsApril 1, 1988 (1988-04-01) (as TDA - Toa Domestic Airlines)April 6, 2004 (2004-04-06) (as Japan Air System (JAS))October 1, 2006 (2006-10-01) (merged into Japan Airlines)HubsOsaka–ItamiTokyo–HanedaSecondary hubsFukuokaKagoshimaSapporo–ChitoseFocus citiesOsaka–KansaiTokyo–NaritaFrequent-flyer programJAL Mileage BankSubsidiariesHarlequin Air (1997–2005)Hokkaido Air System (1997–2006)Japan Air Commuter (1983–2006)Fleet size81Destinations46Parent companyJAL GroupHeadquartersŌta, Tokyo, JapanWebsitewww.jas.co.jpJapan Air System (JAS), later known as Japan Airlines Domestic from 2004, was the smallest of the big three Japanese airlines.

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