also, you would expect to at times get over-estimated wait times. but my experience is always underestimated by about 20 minutes. so consistently, in fact, that

also, you would expect to at times get over-estimated wait times. but my experience is always underestimated by about 20 minutes. so consistently, in fact, that I suspect they have a very good idea of the true time and then subtract 20 min from it.