Live Search is adding a new feature to its search results. They call it Active Answers and it's designed to give users up-to-the-minute information on certain search queries.
The first Active Answers to be released is flight status info. Simply query the name of the airline and the flight number and you'll get the latest status on the flight.
Check it out:
As you can see, the data was provided by Farecast, a travel search site Microsoft acquired last year. Last November, Microsoft added flight information to Instant Answers, which is also provided in the main search results.