I think same like today - 10-30 minutes.
Power of protocol is rising proportional.
Thats a lie, youre totally wrong.
I got into Bitcoin in 2015, and as of then, every transaction made is received instantly in few seconds and it is confirmed in few minutes. Every Bitcoin that is being sent to me was received in a second. But these days, it takes up to 10 to 15 minutes for a high priority to arrive. Low priority takes forever.