I’ve been a list / preferred for many years and have never seen this as a problem. The only time I get a B or C boarding pass is: -It’s a high traffic business route, and there are a LOT of frequent fliers -I book less than 24hrs before check in. -I change less than 24 hrs before check in. Ive been able to easily understand the boarding assignment just by flying a lot, surprised some people think there are widespread problems.
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