Lucide Chart--Cheap, online, and easy to use
File Dropper--A really large and simple file sharing web site, offering up to 5GB of file sharing space.
PipeBytes--A quick file sharing web site.
Basic Financial Calculator
Flight Tracker--This site tracks commercial flights in real time.
Flight Aware--A somewhat niftier site.
Flight information can also be obtained via Google. Simply search for an airline and flight number, and the first result will tell you whether your flight is on time or delayed as well as the estimated departure and arrival times. Here's a quick example for a specific American Airlines flight: