paradocs,

With luggage it is a better to grab a cab. It is about twelve blocks and the foot traffic on Michigan Ave. on a Sunday will be beginning to build by the time you are heading to the brunch. Without luggage it is a 15-20 minute walk back and a good way to digest food, but I would not want to try to hump a few suitcases up the road. However if you are doing a wheelie carry-on kind of thing and allocate a few extra minutes it is easily walked.

Mike