NEW : More than 3,000 flights scheduled and almost all canceled . ` There was a period of time earlier this morning , between 6 a.m. Reporter measures line more than a mile long at Midway Airport . About 46 million people were expected to arrive for work , AAA estimated . 90 % of travelers were expected to go by road .
NEW : More than 3,000 flights scheduled and almost all canceled . Reporter measures line more than a mile long at Midway Airport . About 46 million people were expected to arrive for work , AAA estimated . 90 % of travelers were expected to go by road .