Originally Posted by
JerryFF
I just got through to the United international reservations desk and they told me that the co-pay will be made at the airport as it has always been in the past. If you have information to the contrary, please let us know exactly where that information comes from. Thanks.
http://www.united.com/page/article/0,6722,53079,00.html
Here's a link from united's website. The table I mentioned is down a ways on the page.
(apologies if the link isn't hyperlinked. I'm working on an iPad from Mali)