"nextor-tidis-2010" . "Total Delay Impact Study: a Comprehensive Assessment of the Costs and Impacts of Flight Delay in the United States"^^ . "2010"^^ . "http://its.berkeley.edu/sites/default/files/NEXTOR_TDI_Report_Final_October_2010.pdf"^^ . "report" . . . . . . . . . _:genid1 . _:genid1 . _:genid1 . _:genid1 .