Originally Posted by 1KChinito
One stopover en route to your final destination or one open jaw is permitted for a flight award on United between the continental U.S. and Hawaii or between the U.S. and the Caribbean, Asia, Australia, Central and South America or Europe. No stopovers are permitted within a geographic region.
http://www.united.com/page/article/0,6722,1141,00.html
how about if travel does not involve the US, eg Aust-Asia? stopovers allowed?