? +1-888-531-6247 or +1-888-206-1789 – Flight delays and disruptions can be stressful, but Lufthansa has clear policies to assist passengers when cancellations occur. The airline provides rebooking options, refunds, and in some cases, compensation to minimize inconvenience. What Happens If My Lufthansa Flight Is Canceled After a Delay? ? +1-888-531-6247 or +1-888-206-1789 – If a delayed Lufthansa flight ends up being canceled, passengers are offered the choice of rebooking on the next available flight, receiving a full refund, or requesting a travel voucher. These options apply to both domestic and international flights.