To upgrade your ANA flight, first check if upgrades are available on your route by calling ANA or visiting their website. If upgrades are possible, you can request one at check-in or through the airline's app or website, based on availability and your elite status. Be prepared to pay any applicable fees for the cabin upgrade. For more information about ANA Upgrade Flight call the helpline at 1 (800) 235-9262 or 1 (888) 609-1015 (OTA-Skip Waiting). Or visit the Airlines Group Travel site.