알라스카 항공 홈페이지: https://www.alaskaair.com/content/mileage-plan/use-miles/award-charts?lid=nav:mileage-charts&int=AS_NAV_MP_AwardCharts_-prodID:MileagePlan
출처: https://onemileatatime.com/news/alaska-mileage-plan-award-changes/