Um, I had 1 week, some have had as much as a month. Really it just depends on where your going to sim and when the next available time is. Really no set time, just whenever the next available sim is open. I lucked out, my class finished ground school right as a whole bunch opened up, so im basically in sim with guys who started indoc a month before I did, theyve been sitting at home for a month. I hear its the same with IOE, could be 3 days after LOFT, and in rare cases as long as 3 months. Im hoping for something right in between.