oneworld First Flight – Official Terms and Conditions Limited Time Offer, Terms & Conditions Alaska Airlines Mileage Plan™ members who fly the qualifying one-way inaugural route from SEA to SFO on March 31, 2021, flight #1248 will receive fourteen times the normal number of base Miles that would usually be issued for the applicable one-way flight. Bonus Miles (for example, issued as a bonus for First or Premium class) will be issued at the normal, not triple, rate. Qualifying flights must be marketed and operated by Alaska Airlines (or marketed by Alaska Airlines and operated by Horizon Air or SkyWest); codeshare and partner flights are not eligible. Mileage for qualifying flights must be credited to the member’s Mileage Plan™ account. Member must be a Mileage Plan member before the first qualifying flight. Non-members can claim their miles by creating an Alaska Airlines Mileage Plan™ account by clicking here and submitting a request for the miles at this web address. Offer not valid on free or award travel. The 14x the base Miles promotional miles do not count toward Mileage Plan™ elite status. Terms and conditions of the Mileage Plan™ program apply, which can be found at here. Offer subject to change without notice.