Originally Posted by CO Insider

Thanks everyone for your questions, and I'll do my best to answer those that haven't already been covered. Here goes...
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Thanks for pointing this out, sbm12. As you suspected, there is indeed a fare class alignment planned for early next year. With this change, S, T, K, L and G will become the lowest five Economy fare classes. We're still finalizing the details these alignment changes, and will share those details once finalized.