July, Aug. 2002: Two bridges in Central China collapse, killing a combined 19 people. Sept. 2001: The Queen Isabella Causeway in Texas collapses after a tow boat captain loses control of a string of barges and currents drive them into a bridge support.
The average flying time for a direct flight from Bemidji, MN to Chicago is 1 hour 36 minutes; Most direct flights leave around 9:36 CST
The same is true if you are not flying at a peak time, as the airport is likely to be less crowded and lines are likely to be shorter. According to Continental Airlines, 9:30 a.m. to 11 a.m., 2 p.m. to 3:30 p.m., and 7:30 p.m. to 6:30 a.m. are off times when the lines may be shorter.