It's not on the WDAS site but that could be because there's no place for it.
See, it's not a short and it's not a feature film.
It's Disney's first animated featurette since 1990's The Prince and the Pauper.
The Prince and the Pauper was 24 minutes long and ran before The Rescuers Down Under when it released in November 1990.
Could Prep and Landing at 30 minutes air before The Princess and the Frog since tPatF is getting a Christmas 2009 release and PaL is a Christmas themed featurette?
Here's some information from interviews/news articles.
Animated Views - Bolt: Joe Moshier - one bold, Bolt designer! - November 26, 2008:
Animation World Magazine - Bill Desowitz chats with first-time director Chris Williams about his new Disney short, Glago's Guest - July 15, 2008:Animated Views: Now that Bolt has finished, what are the other projects you’re working on?
Jim Moshier: Presently, I’m moving on from Disney and I’m going to DreamWorks. But, for Disney, I’ve just finished working on Prep and Landing. It’s a Christmas short that will be coming up next year about Santa and elves. ...
The New York Times - For Disney, Something Old (and Short) Is New Again - December 3, 2006:Bill Desowitz: Let's begin with what your pitching experience was like with John Lasseter.
Chris Williams: When you pitch to John, it can be any story, any genre -- as long as he's engaged and entertained, that's all that matters. And so he asked me to pitch some short ideas, and I pitched six and there were two that he responded to. Prep and Landing is being developed into a half-hour Christmas special for next year by Kevin [Deters] and Stevie [Wermers] of How to Hook Up Your Home Theater. Of course, John also took to Glago, which is totally different tonally from what you'd expect from Disney.
...“Prep and Landing,” in which two inept elves ready a house for Santa’s visit...


