After you learn your new flight arrangements, please contact NCL's "Flight Assistance Hotline" at 1-844-488-0875, as soon as possible, with your new flight. The call is toll-free and our representatives are available 24 hours a day, 7 days a week. https://central.xero.com/s/question/0D58V00009OzAFcSAN/norwegian-cruise-line-is-ncl-customer-service-24-hours