This can be found on UA's site:
United First Personal Video selection
On all flights with personal video, you can select from 14 films
in English and 4 films in a second language based on your
itinerary. Most films are unedited; customer discretion is
advised. Available titles are subject to change.
D: German, F: French, I: Italian, J: Japanese, C: Chinese
subtitles, S: Spanish, P: Portuguese, K: Korean
Here:
http://www.united.com/movie/listingp...2,11_8,00.html
I think it is in print in the Hemisphere's magazine too but I don't recall.