We didn't take DCL transportation but took a limo but from what I could tell it was VERY easy to get to the Hyatt from the curbside where I assume they will drop you off. In the main terminal building where they have all the shops and before you go into security there is a glass elevator that you take up (*or an escalator on the right side) that takes you right up to the registration desk of the Hyatt. We walked down with our bags to Delta and it was a very short walk and very easy to get to and we checked our luggage curbside.
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