It sure is working better than it has been, but if your flight has issues, you get this goofy statement. This is the exact wording cut and pasted (
emphasis added)
Your itinerary has been updated with the new flight(s) you selected. There has been a flight delay affecting There has been a flight cancellation affecting Due to a flight delay affecting your trip to xxxxx, xx on Apr 13, 2010. But, we can automatically rebook you on another flight at no extra cost. we've automatically rebooked you on an alternate flight(s) at no extra cost.
• View trip details and options so we can help you find flight(s) at no extra cost.
• View trip details and options to choose one of our suggested alternate flight options or search for additional flights at no extra cost.
• You can check in for your confirmed flight(s) now - or view trip details and options to find alternate flights at no extra cost.
• Be sure to check the latest Visa and Passport Requirements for each country you'll be stopping in or visiting.
Of course, I couldn't 'view' the alternate flights. I am also not sure how my flight can be both delayed and canceled while I am sitting on the taxiway waiting to take off.