We just went to TL last Saturday, we arrived around 2:00, just as it was raining! When we arrived it appeared pretty full-hard to find chairs, lots of people around, etc. However with the rain, pretty much everyone cleared out within an hour. Thankfully it never thundered so everything stayed open and the rain stopped after off/on for about 30 minutes. For the first two slides we waited about 10-15 mins each-then we could walk on pretty much any slide, maybe a five minute wait every now and then. There was an after hours glow night that night-I think they could get in at 6:00. We left at 6:30 to head to another park and there was a steady flow of people coming in for that. I don’t think it would have made a difference for the people left (not doing the glow party) because the park was pretty empty by then. I will say we went to Blizzard Beach the next morning right at opening and it was a lot more crowded. So I am not sure if we got lucky with TL, due to the weather or afternoon time frame or what! Enjoy!