I used Wolfram Alpha when I was taking a cryptography course in college and needed to do really long calculations with exact answers, but haven't been back since. For flight tracking, FlightAware.com (and their new mobile apps) and LiveATC.net (and their mobile apps) are far and away the best to use.
I saw another comment about this working with Siri, which brings up the whole question about integrating Siri with third party apps for me. But I digress...
I saw another comment about this working with Siri, which brings up the whole question about integrating Siri with third party apps for me. But I digress...