I am a COS and refuse to fly with anyone but Southwest. The policy is fair and honest. It allows me to pre-board the aircraft (no standing in line, choice of seats, first on/first off etc..) and I have a seat next to me to put my laptop or other devices on during flight. Regarding some other posts above, believe me I don't like my "girth" touching anyone else either. It can be just as miserable for me as well. I have never been denied a refund on my second seat and I fly SW about 4 times a year. I tell people that the COS policy is the best kept secret in the airline industry.
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