Unfortunately I don’t think my experiences are helpful. As I said I was in business which meant basically I didn’t que at all. But based on what I was hearing at the station I would estimate you were looking at about 45 minutes to get through the line and I say that because they started prioritizing line and pulling people out while I was wondering around the station sightseeing
And that was just the time to get to where they checked your ticket. That did not count any time in line after that for security and immigration. So I would certainly plan to arrive a couple hours in advance
It’s also evident that word is out that the lines are getting too long because when I was wandering around the station they announced that they were only allowing check-in for the next three trains if your train was after 1230 ( this was about 8:30 in the morning) you would be turned away if you got to the point where they check your ticket
Basically passengers were getting this long line that is all the way back by Boots if that makes any sense to anyone who’s been here. But it’s the far end of the station and then when you get to where you used to go in to go through the corral, they check your ticket and if your ticket is not from one of the trains they’re currently boarding you get thrown out of the line
Now, I did notice that my train which seem to be open the other day at all price points was sold out a couple of days ago. Expect that people have moved their trips because of the coming strikes but I can’t prove that