A judge sentenced Javier Martinez, 33, to a year behind bars and up to a year of supervised release.
Martinez was spotted running around a tarmac before attempting to flee Chicago police by hopping a barbed-wire fence.
Martinez was the second person to gain access to a restricted area at Midway in a six-month span.
Court records show Martinez has served 184 days of his sentence already, which is 50% of the judge's sentence.