<font face="Verdana, Arial, Helvetica, sans-serif" size="2">Originally posted by aparsuites:
The only thing I can think of to negate this is the idea that it was offering me an extension of the EWR-MAD flight...</font>
Bingo! I can't speak for the IAH-MAD routing, but I can tell you that CO63 MAD-IAH is actually CO63 MAD-EWR on a 777 and "continuing service" as CO63 from EWR-IAH on a 764.