Start by collecting all relevant information about your flight, including your booking reference, flight number, departure and arrival airports, and the date and time of your flight. Having these details on hand will be essential when filing your claim. Reach out to All Nippon Airways customer service to report the delay and inquire about the compensation process. They should be able to provide you with information on their policies and procedures for filing a claim. Be sure to take note of the names of the customer service representatives you speak to and any reference numbers they provide. For an additional resource, you can also visit the website AirAdvisor. AirAdvisor specializes in helping passengers like you secure compensation for flight delays and cancellations. They can guide you through the claims process and even handle negotiations on your behalf.