It's always been my favourite shuttle; It is currently the oldest spacecraft in use, and holds the record for the most launches of a single spacecraft (this is its 31st launch), though Columbia had more orbits, distance, and time in space.
Shuttle Flights Days Orbits Miles====================================================Columbia 28 300.74 4,808 125,204,911Challenger 10 62.41 995 25,803,940Discovery 30 241.95 3,808 98,710,673Atlantis 26 220.40 3,468 89,908,732Endeavour 19 206.60 3,259 85,072,077On launch, they experience an upwards accelleration of 29.4m/s^2, or roughly 3G's. Wheeee!
Lets pray that everything is a success.