The British Airways app a handy companion for both frequent and casual flyers.
There's a lot of features including booking information, access to boarding passes, and flight status options.
It also provides access to frequent flyer info and Executive Club perks. Most of the controls are located on a bar across the top of the screen.
To have the app run smoothly, make sure you update to the latest OS of your BlackBerry. It's not the prettiest app, but it's still helpful for travelers.