What are the operation hours for the customer service center? November 30, 2022 23:50 Updated The customer service center is open from 9:00 a.m. to 6:00 p.m. throughout the year. Related articles It is very hard to reach the customer center(agent) Where can I fill out a customer's comment (customer enquiry)? When will the Q&A answer be made? I want to know about the rules for refunding international flight ticket. Is it possible to change the name of a boarding passenger?