Originally Posted by
whimike
How does UA verify if you have taken the ZFV-EWR leg?
Please see here:
http://www.flyertalk.com/forum/unite...co-faq-43.html
Short story: their systems "talk" to some degree. If you skip the first segment on a ZFV-EWR-XXX, you risk the rest of your itinerary getting canceled. You're free to drop the final EWR-ZFV leg though. However, if you do this enough times, United might get upset :-)