ALASKAAIR (1-800-252-7522) or +1 (833) 549-4777 to get assistance from Alaska Airlines Customer Service. You can cancel your train ticket and get a full refund during this time. A cancellation fee may apply if you cancel after the 24-hour period. If you cancel your reservation within 24 hours of booking a refundable fare, you’ll get a full refund. If you book a non-refundable fare, the cancellation policy is different. Alaska Airlines lets you cancel your reservation within 24 hours of booking and get a full refund as a travel credit. Alaska Airlines recommends you check their terms and conditions before canceling your ticket. Read below to learn more about the Alaska Airlines 24-Hour Cancellation Policy.