Check-in line at O’Hare Posted on September 26, 2014 by Chicago 1 Chicago Chicago News & Search 1 News - 1 eMovies - 1 eMusic - 1 eBooks - 1 Search Search for: After hundreds of flights were canceled, the lines to check in grew at O’Hare International Airport. 1 Chicago Chicago News & Search 1 News - 1 eMovies - 1 eMusic - 1 eBooks - 1 Search Search for: