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For passengers departing from Chicago, KLM Airlines Chicago Office based out of O'Hare International Airport's Terminal 5, which is the international flight terminal. Boarding gates, security checkpoints, and check-in booths are all conveniently located within the terminal. It is recommended that passengers get to the terminal at least three hours prior to their departure in order to give themselves enough time for security clearance, baggage drop-off, and check-in. At Terminal 5, the airline's check-in desks are manned by competent agents who offer assistance with any last-minute inquiries or modifications.