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About Hokkaido Air System

Hokkaido Air System, also known as HAC, is a Japanese airline based at Okadama Airport in Sapporo, it's the sister airline of JAL Japan Airlines. The regional airline operates scheduled services from Sapporo to other domestic airports in Japan. It's mainly operating on behalf of Japan Airlines.

Since the airline was founded in 1997, it belonged to Jan Air System but Japan Airlines have later acquired the company. As of January 2021, the airline is now operating with 4 aircraft and serving six destinations in Japan.


As of January 2021, Hokkaido Air System is only serving the domestic Japanese market including Hakodate, Kushiro, Misawa, Okushiri, Rishirifuji and Sapporo.

Hakodate HKD Hakodate Airport
Kushiro KUH Kushiro Airport
Misawa MSJ Misawa Airport
Okushiri OIR Okushiri Airport
Rishirifuji RIS Rishiri Airport
Sapporo OKD Okadama Airport

Baggage Allowance

Carry-On Baggage

Passengers receive one piece of carry-on baggage as long as it doesn't exceed a maximum dimension of 115cm. One personal item will be allowed onboard as well as long as these items onboard can fit in the overhead lockers or under the seat. The total carry-on baggage permissible weight cannot exceed 10kg.

Checked Baggage

Every passenger is entitled to one piece of checked baggage weighing up to 20kg. First Class passengers have a free baggage allowance of 45kg. Baggage exceeding 32kg will not be accepted as checked baggage due to international health and safety regulations. All baggage has to fit within the dimension of 50cm x 60cm x 120.

Passengers hoping to buy excess baggage for its flight can do so when booking with Alternative Airlines. This can be done during the booking process or speak to our customer service team to assist.

Check-In Information

Check-In Online

Online check-in procedure isn't necessary for Hokkaido Air System flights. Passengers can use the JAL Touch & Go system to board the aircraft.

Airport Check-In

Check-in can be completed via the airline check-in kiosk or at the airport counter. Check-in must be completed at the 20 minutes before scheduled departure time. At Alternative Airlines, we recommend passengers to arrive at the airport two hours before scheduled departure time.

Frequent Flyer Program

JAL Mileage Bank

JAL Mileage Bank is the name of the frequent flyer programme for Japan Airlines. Passengers travelling Hokkaido Air System will be able to earn frequent flyer points and redeem rewards from the programme. Flights and products and services from partners are available to be exchanged with the frequent flyer membership points.

Please visit the JAL Mileage Bank page for more information.

Airline Alliance


As the subsidiary airline of Japan Airlines, Hokkaido Air System becomes an affiliate member of oneworld alliance. Passengers flying with Hokkaido Air System would be able to enjoy oneworld member benefits and able to use its frequent flyer membership to redeem rewards including gaining access to oneworld lounge across the world.

Airline’s Fleet

As of January 2021, Hokkaido Air System is operating with a fleet of ATR 42-600 and Saab 340B aircraft. These are twin-turboprop aircraft suitable for short haul operations serving niche markets. The Saab 340B will eventually be replaced by the ATR 42-600.

Hub Airport

Okadama Airport

Okadama Airport (OKD) is located 7km from the city of Sapporo. It's a regional airport that is used by commercial airlines, general aviation and the military. It's only able to handle turboprop aircraft like ATR42. It has one asphalt runway and a passenger terminal service the airlines. The only other two airlines fly to the airport includes Fuji Dream Airlines and Japan Airlines.

Alternative Airlines

Fuji Dream Airlines logoJapan Airlines logoANA logo