Be sure to make your flight reservations well in advance and reconfirm your reservations prior to arriving at your home airport. We recommend that you plan your air travel so that you arrive in Chicago between 7:00 a.m. and 1:00 p.m. (Central Standard time). This will allow you to come to IIT between 9:00 a.m. and 4:00 p.m, common business hours.
Mandatory Orientation programs begin Janauary 5th. Details: click here
(http://www.iit.edu/~internat/new%20students/upon-orientation.php)
Classes start on Janauary 9th, 2012.

For more information regarding transportation to IIT from the airports, click here.