What are the accurate hours of operation? I've been here twice at least an hour before close and told their closed

Its different times all over so it depends on which one you're going to. Also you can go to their website and go under locations and chose the state and city and it shows the time as well.

2am for the drive thru unless its chamged

I think it's 11:00

I mean the drive thru

Most close the dining room at 10 pm each day