Please tell me AirJapan’s service routes. Please click the following link to check AirJapan’s service routes.Click here for AirJapan service routes. Related articles Inquiries Is it possible to cancel or obtain a refund for a reserved ticket? Inquiries (telephone) Can I add checked baggage after purchasing a flight ticket? Please tell me the number, weight, and size of the carry-on luggage I am allowed to take on board the flight.