What is Mileage Plan™? Mileage Plan is the Alaska Airlines loyalty program for those who fly frequently. Travel with us, and with our global airline partners to over 800+ destinations around the world.Click to see full answer. Similarly one may ask, how many miles do I have on Alaska Airlines?Your Mileage Plan number can be retrieved the following ways: Log into your My account. If you are the primary cardholder of an Alaska Airlines credit card, your number is located under your name. Call our customer care at 1-800-654-5669, Monday – Friday, 8:00am – 6:00 p.m. and Saturday, 8:00am – 5:00 p.m.Additionally, how do I earn Alaska Air Miles? How to Earn Miles With Alaska Airlines Fly with Alaska. Fly with Alaska’s partner airlines. Use the Alaska Airlines credit card. Buy miles directly. Reach MVP Gold 75k status. Similarly, you may ask, how does Alaska Airlines Mileage Plan Work? EARNING ALASKA AIRLINES MILES WHEN YOU FLY Eligible flights on Alaska Airlines or other qualifying partner airlines earn 1 base Mileage Plan mile per actual mile flown. For example, flying 1,000 miles would earn 1,000 base miles. Eligible flights shorter than 500 miles will earn 500 miles.Do my Alaska Airlines miles expire?Alaska Mileage Plan Miles do not expire as long as you keep your account active. Keeping your account active is defined by Alaska Mileage Plan as earning or redeeming at least one mile in a 24-month period.