Google's auto-suggest feature is now good for more than quick searches and occasionally hilarious search completions. Type something like "[your city]weather" or your flight number in, and a drop-down box will provide answers from Universal Search without even clicking.
Many of Google's automatic search data results can be accessed now from the drop-down auto-suggest box, including movie times, weather forecasts and calculator functions. That's pretty helpful when you're running out the door, and a good reason to actually visit Google's own home page once in a while.
Two new features enhance search beyond the results page [Official Google Blog]