How Quickly are the Auto Leagues Filling up?

I signed up for an auto football league yesterday as the 4th person. I am just trying to get an estimate of how long it takes for these leagues to fill up.

Football does not fill as fast as baseball. I would estimate one to two weeks. But, there may be an increase of interest now that the NFL begins playoff games.

Thanks newcCar13. That time frame is understandable. Since I posted the question two more people got in.

The final goal of our project was to write a Python Algorithm official website, which uses the data from our analysis to make “smart” picks and build the most optimal Fantasy League squad given our limited budget of 100MM.