It seems that the system will only work on North American (Canadian?) numbers only. Unfortunately, the system won't work on international mobile numbers (there is only enough space for 10 digits).

It's quite interesting this 2D bar-code (actually it's QR code - used widely in Japan) is showing up in this application (boarding passes) Although it would be nice to see AC expand this program for international travelers.

At least I can use the mobile site to look up flight information pretty quickly. Too bad there isn't a KVS for Windows Mobile! Now that would be cool.