Originally Posted by
WDWdriver
The simplest way to know when you can get a second FP is just to look at the fine print at the bottom of the FP you are currently holding. It clearly tells you to the exact minute when you can get a second one. It may indeed be two hours away or when your window opens, but not always. It depends on the park operating hours, expected attendance, attraction FP return rate, possible manual override, and several other factors. I have seen guests allowed a second FP in as little as 35 minutes after getting the first one.