Got this reply from someone answering the Southwest Facebook page: "Hey there, and thanks for taking the time to follow-up. I was able to reach out to our Network Operations Control (NOC) Team, and they advised that wheels are included in the dimensions. Sorry for any confusion! -Jeni" " Hi there! That's correct. You should include the wheels when measuring your suitcases. Please let us know if you have any other questions! -Grayson"
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