Originally Posted by
Jaimito Cartero
Others have commented on the same thing, and in most cases it's been because you have a connection on another partner. So you flew NW DTW-IAH and then CO IAH-LGW, so the points will be subtracted since you can't have legs on non NW-KLM flights.
If this isn't the case, then do as Slippah's mentioned, and use TTU.
If I understand correctly, you only receive points for NWA operated flights, but I'm a little shocked if they eliminated points from an ENTIRE itinerary if another airline is involved in any way?