Flight status information

[Guest Godfather]

Ok for some reason I am having a real difficult time trying to find a program or mobile website that I can use to check the status of flights while I am traveling. I tried worldmate and they don't have America West listed in their airline list. It's the 21st century and it shouldn't be this hard. Can someone please help me out here with a program that I can use that has all the airlines or at least a mobile website that I can use to check the status of flights so I can see if I will be delayed or not etc.

Thx!!!