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Hainan Airlines - Civil aviation provider in China. Includes online reservations, flight finder, news and company information.
global.hnair.com/

Harbour Air - Schedules, reservations and tour information about float plane service for Vancouver, Vancouver Island and the Gulf Islands.
www.harbour-air.com/

Hawaiian Airlines - Flight schedules, destination and loyalty program information.
www.hawaiianair.com/

Horizon Air - Serving the pacific northwest region of the US; reservations, arrival and departures, company profile and employment opportunities.
www.horizonair.com