Last reported in May of 2006, Warner Bros Pictures was confirmed in getting the live-action Jetsons film off the ground.
But no word has been mentioned about the project as of late. I'm wondering if the company is still considering the project? Time will tell I suppose.
Here is a script review from an archived article:
Rumors from several old articles mentioned that Steve Martin was cast as George Jetson with Britney Spears being considered for Judy Jetson and Danny Devito being considered for the role of Mr. Spacely.