Originally Posted by
javabytes
I suspect ITA just isn't showing you the designator. TA30A1NQ hase a base fare around $318 and books into T. TA30A1NQ/WNUPT runs about $400-500 more and books into T/G/Z.
That's not to say that there has to be a designator for it to be an UP fare. Back before FCM, UP fares often had the form "SA00A0UP" or "BA07UPNQ" (no designators). Both of these are UP fares currently filed for JFK-LAX, incidentally).
And you learn something new every day...