I am developing a small widget for my home automation system. I live near Landvetter Airport and friends stay at our house when they fly at uncomfortable times. So basically I'm writing a widget that I can call by sending a flight number. And once every 30 minute or so, I will request the status of the flight, so that I know if it has been delayed etc. It is for private use, and I estimate the number of calls to maybe 30 / year.