Flyertalker eponymous_coward flagged that Alaska Airlines has changed how it handles checked bags through on other airlines when on separate tickets. Previously, Alaska was willing to do this. However, they've made the customer-unfriendly decision to stop.
For example, if you want to fly from Portland (PDX) to Hong Kong (HKG), but Alaska doesn't have award space on the flight from PDX to Los Angeles, too bad. Even though you're connecting on their oneowrld partner Cathay Pacific from LAX to HKG, you'll have to collect your bags at LAX and recheck them.
American Airlines has done this for years and it's an absolute pain.
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